roccoangelella/AeroGraph · Datasets at Hugging Face

id int64 0 1.33k	text stringlengths 269 13.1k	entities listlengths 2 98	relations listlengths 0 47	meta unknown
0	According to the pilot, he performed a wheel landing in the tailwheel-equipped airplane. As he lowered the tailwheel, the airplane turned right, and he applied left rudder to continue straight. As soon as he applied the rudder pressure, he “felt something pop” and the airplane continued to turn right, resulting in a gr...	[ { "id": "T1", "mention": "pilot", "label": "Agent", "start": 17, "end": 22 }, { "id": "T2", "mention": "wheel landing", "label": "HumanAction", "start": 39, "end": 52 }, { "id": "T3", "mention": "tailwheel-equipped airplane", "label": "Aircraft", "star...	[ { "source_id": "T2", "relation": "performedBy", "target_id": "T1", "source": "wheel landing", "target": "pilot" }, { "source_id": "T2", "relation": "appliedTo", "target_id": "T3", "source": "wheel landing", "target": "tailwheel-equipped airplane" }, { "source_id":...	{ "raw_entity_count": 18, "resolved_entity_count": 18, "final_entity_count": 19, "preliminary_relation_count": 10, "final_relation_count": 10, "unresolved_entity_count": 0, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [ [ "T7", "T19" ] ...
1	The flight instructor of the tailwheel-equipped airplane reported that the airplane swerved slightly to the left during landing roll on an instructional flight with a pilot receiving instruction at the controls. After the tailwheel touched the ground, the pilot receiving instruction attempted to control the left swerve...	[ { "id": "T1", "mention": "flight instructor", "label": "Agent", "start": 4, "end": 21 }, { "id": "T2", "mention": "tailwheel-equipped airplane", "label": "Aircraft", "start": 29, "end": 56 }, { "id": "T3", "mention": "airplane", "label": "Aircraft", "s...	[ { "source_id": "T3", "relation": "hasState", "target_id": "T4", "source": "airplane", "target": "swerved slightly to the left" }, { "source_id": "T10", "relation": "hasState", "target_id": "T11", "source": "airplane", "target": "veering to the right side of the runway" ...	{ "raw_entity_count": 20, "resolved_entity_count": 19, "final_entity_count": 22, "preliminary_relation_count": 6, "final_relation_count": 9, "unresolved_entity_count": 1, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [ [ "T20", "T8" ], ...
2	The pilot stated he went flying in windy conditions and that during landing, a crosswind “blew” the airplane to the left side of runway 19. He attempted to realign the airplane with the runway centerline, however, the nose “dropped sharply.” The pilot tried to bring the nose up again, but the nose landing gear struck t...	[ { "id": "T1", "mention": "pilot", "label": "Agent", "start": 4, "end": 9 }, { "id": "T2", "mention": "windy conditions", "label": "EnvironmentalCondition", "start": 35, "end": 51 }, { "id": "T3", "mention": "crosswind", "label": "EnvironmentalCondition", ...	[ { "source_id": "T4", "relation": "hasState", "target_id": "T22", "source": "airplane", "target": "blew” the airplane to the left side of runway 19" }, { "source_id": "T22", "relation": "causedBy", "target_id": "T3", "source": "blew” the airplane to the left side of runway 19"...	{ "raw_entity_count": 21, "resolved_entity_count": 21, "final_entity_count": 25, "preliminary_relation_count": 7, "final_relation_count": 8, "unresolved_entity_count": 0, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [ [ "T22", "T4" ], ...
3	The pilot reported that he had recently completed his initial training, and the accident flight was his first flight in the airplane. The pilot entered the traffic pattern with the autopilot engaged and was told by the co-pilot to “keep it tight.” The autopilot did not command a steep enough bank, and the pilot disconn...	[ { "id": "T1", "mention": "pilot", "label": "Agent", "start": 4, "end": 9 }, { "id": "T3", "mention": "airplane", "label": "Aircraft", "start": 124, "end": 132 }, { "id": "T4", "mention": "pilot", "label": "Agent", "start": 138, "end": 143 }, { ...	[ { "source_id": "T13", "relation": "hasState", "target_id": "T14", "source": "airplane", "target": "landed hard" }, { "source_id": "T13", "relation": "hasState", "target_id": "T15", "source": "airplane", "target": "bounced multiple times" }, { "source_id": "T13", ...	{ "raw_entity_count": 27, "resolved_entity_count": 27, "final_entity_count": 28, "preliminary_relation_count": 11, "final_relation_count": 9, "unresolved_entity_count": 0, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [ [ "T2", "T9" ], ...
4	The pilot reported that the airplane encountered a crosswind gust during the landing roll and subsequently departed the right side of the runway pavement onto snow covered terrain adjacent to the runway. The nose landing gear sunk into the soft ground adjacent to the runway and the airplane nosed over coming to rest in...	[ { "id": "T1", "mention": "pilot", "label": "Agent", "start": 4, "end": 9 }, { "id": "T2", "mention": "airplane", "label": "Aircraft", "start": 28, "end": 36 }, { "id": "T3", "mention": "crosswind gust", "label": "EnvironmentalCondition", "start": 51, ...	[ { "source_id": "T2", "relation": "hasState", "target_id": "T4", "source": "airplane", "target": "departed the right side of the runway pavement" }, { "source_id": "T4", "relation": "causedBy", "target_id": "T3", "source": "departed the right side of the runway pavement", ...	{ "raw_entity_count": 16, "resolved_entity_count": 16, "final_entity_count": 17, "preliminary_relation_count": 7, "final_relation_count": 9, "unresolved_entity_count": 0, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [ [ "T17", "T7" ] ]...
5	The pilot reported that following a local flight, the approach to landing and touchdown were normal, however, as he applied wheel brakes, the airplane veered to the right. He attempted to correct with left rudder and brake application but was unable to stop the right veer. Subsequently, the airplane exited the runway t...	[ { "id": "T1", "mention": "pilot", "label": "Agent", "start": 4, "end": 9 }, { "id": "T2", "mention": "airplane", "label": "Aircraft", "start": 142, "end": 150 }, { "id": "T3", "mention": "veered to the right", "label": "UndesiredEvent", "start": 151, ...	[ { "source_id": "T2", "relation": "hasState", "target_id": "T3", "source": "airplane", "target": "veered to the right" }, { "source_id": "T7", "relation": "hasState", "target_id": "T8", "source": "airplane", "target": "exited the runway to the right" }, { "source_i...	{ "raw_entity_count": 36, "resolved_entity_count": 36, "final_entity_count": 36, "preliminary_relation_count": 16, "final_relation_count": 14, "unresolved_entity_count": 0, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [ [ "T23", "T24" ] ...
6	The pilot reported that while on final approach, the right wing of the airplane struck the top of a tree about 40 feet above ground level. This resulted in an aerodynamic stall and loss of airplane control at an altitude too low to allow for recovery. The airplane impacted the ground, which resulted in substantial dama...	[ { "id": "T1", "mention": "pilot", "label": "Agent", "start": 4, "end": 9 }, { "id": "T2", "mention": "right wing", "label": "PhysicalObject", "start": 53, "end": 63 }, { "id": "T3", "mention": "airplane", "label": "Aircraft", "start": 71, "end": 79...	[ { "source_id": "T3", "relation": "hasState", "target_id": "T7", "source": "airplane", "target": "loss of airplane control" }, { "source_id": "T9", "relation": "hasState", "target_id": "T10", "source": "airplane", "target": "impacted the ground" }, { "source_id": "...	{ "raw_entity_count": 13, "resolved_entity_count": 13, "final_entity_count": 14, "preliminary_relation_count": 8, "final_relation_count": 9, "unresolved_entity_count": 0, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [ [ "T14", "T4" ] ]...
7	The non-instrument-rated pilot was on his second day of a long cross-country flight. The first night of his trip he slept in a pilot lounge at an en route airport. He departed the following morning and made one stop for fuel. During the fuel stop, pilot spoke with an airport employee, who said the pilot appeared tired....	[ { "id": "T1", "mention": "pilot", "label": "Agent", "start": 25, "end": 30 }, { "id": "T2", "mention": "long cross-country flight", "label": "EnvironmentalCondition", "start": 58, "end": 83 }, { "id": "T3", "mention": "pilot", "label": "Agent", "start"...	[ { "source_id": "T20", "relation": "hasFinding", "target_id": "T21", "source": "airplane", "target": "no evidence of any preimpact mechanical malfunctions or failures" }, { "source_id": "T14", "relation": "occursIn", "target_id": "T16", "source": "descending right turn", "...	{ "raw_entity_count": 38, "resolved_entity_count": 37, "final_entity_count": 37, "preliminary_relation_count": 14, "final_relation_count": 12, "unresolved_entity_count": 1, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [], "repair_reviewed": true }
8	USA Jet Airlines, flight JUS834, sustained a tailstrike while landing at the Saltillo/Plan De Guadalupe International Airport (SLW), Saltillo, Mexico. After the event, the airplane completed two additional flights before the damage was discovered by maintenance personnel. The flight was an on-demand international cargo...	[ { "id": "T1", "mention": "tailstrike", "label": "UndesiredEvent", "start": 45, "end": 55 }, { "id": "T2", "mention": "airplane", "label": "Aircraft", "start": 172, "end": 180 }, { "id": "T3", "mention": "damage was discovered", "label": "ObservationFinding...	[ { "source_id": "T2", "relation": "hasState", "target_id": "T1", "source": "airplane", "target": "tailstrike" }, { "source_id": "T6", "relation": "hasFinding", "target_id": "T7", "source": "airplane", "target": "stabilized configuration" }, { "source_id": "T6", ...	{ "raw_entity_count": 37, "resolved_entity_count": 37, "final_entity_count": 36, "preliminary_relation_count": 16, "final_relation_count": 12, "unresolved_entity_count": 0, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [], "repair_reviewed": true }
9	The pilot reported that light rain and trace clear air icing were forecast along his intended route of flight, and he encountered those conditions during climb out. As the airplane was climbing through 14,000 ft mean sea level (msl) in instrument meteorological conditions, he noticed the airspeed had decreased 10-15 kn...	[ { "id": "T1", "mention": "pilot", "label": "Agent", "start": 4, "end": 9 }, { "id": "T2", "mention": "light rain and trace clear air icing", "label": "EnvironmentalCondition", "start": 24, "end": 60 }, { "id": "T3", "mention": "conditions", "label": "Envir...	[ { "source_id": "T11", "relation": "hasState", "target_id": "T47", "source": "Primary Flight Display (PFD)", "target": "displayed a red X and went black" }, { "source_id": "T12", "relation": "hasState", "target_id": "T47", "source": "Multi-Function Display (MFD)", "target"...	{ "raw_entity_count": 46, "resolved_entity_count": 46, "final_entity_count": 50, "preliminary_relation_count": 14, "final_relation_count": 10, "unresolved_entity_count": 0, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [ [ "T47", "T13" ],...
10	About 15 minutes after takeoff during an instructional flight, the engine backfired several times and 5 to 10 seconds later the engine lost total power. The flight instructor assumed control of the airplane, maintained a 75-knot glide speed, and attempted to restart the engine, but without success. The flight instructo...	[ { "id": "T1", "mention": "takeoff", "label": "EnvironmentalCondition", "start": 23, "end": 30 }, { "id": "T2", "mention": "instructional flight", "label": "EnvironmentalCondition", "start": 41, "end": 61 }, { "id": "T3", "mention": "engine backfired", "lab...	[ { "source_id": "T13", "relation": "occursIn", "target_id": "T10", "source": "settled into the mud", "target": "recently plowed field" }, { "source_id": "T14", "relation": "occursIn", "target_id": "T10", "source": "airplane nosed over", "target": "recently plowed field" ...	{ "raw_entity_count": 41, "resolved_entity_count": 34, "final_entity_count": 35, "preliminary_relation_count": 11, "final_relation_count": 14, "unresolved_entity_count": 7, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [ [ "T35", "T18" ] ...
11	United Airlines flight 1091 sustained a tailstrike while landing at George Bush Intercontinental Airport (KIAH), Houston, TX. The flight was a regularly scheduled international passenger flight from Mexico City, Mexico to KIAH.According to the flight crew, the captain was the pilot monitoring, and the first officer (FO...	[ { "id": "T41", "mention": "United Airlines flight 1091", "label": "Aircraft", "start": 0, "end": 27 }, { "id": "T1", "mention": "tailstrike", "label": "UndesiredEvent", "start": 40, "end": 50 }, { "id": "T2", "mention": "landing", "label": "HumanAction", ...	[ { "source_id": "T8", "relation": "hasFinding", "target_id": "T9", "source": "airplane", "target": "landing configuration" }, { "source_id": "T8", "relation": "hasFinding", "target_id": "T10", "source": "airplane", "target": "stabilized approach" }, { "source_id": ...	{ "raw_entity_count": 40, "resolved_entity_count": 40, "final_entity_count": 42, "preliminary_relation_count": 12, "final_relation_count": 14, "unresolved_entity_count": 0, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [ [ "T42", "T26" ] ...
12	After obtaining fuel at a land-based airport, the pilot noted a small leak in the amphibious airplane’s hydraulic landing gear extension/retraction system. He subsequently departed for the accident flight. While the pilot was landing the airplane on a lake, he noticed that the landing gear were still extended; the airp...	[ { "id": "T1", "mention": "pilot", "label": "Agent", "start": 50, "end": 55 }, { "id": "T11", "mention": "small leak", "label": "ObservationFinding", "start": 64, "end": 74 }, { "id": "T2", "mention": "amphibious airplane", "label": "Aircraft", "start":...	[ { "source_id": "T10", "relation": "performedBy", "target_id": "T9", "source": "aborted the landing attempt", "target": "pilot" }, { "source_id": "T3", "relation": "hasFinding", "target_id": "T11", "source": "hydraulic landing gear extension/retraction system", "target": "...	{ "raw_entity_count": 21, "resolved_entity_count": 10, "final_entity_count": 14, "preliminary_relation_count": 3, "final_relation_count": 4, "unresolved_entity_count": 11, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [], "repair_reviewed": true }
13	The pilot reported that while on final approach to the destination airport the airplane unexpectedly began to descend. The pilot added power, pitched up, and arrested the descent. Seeing no obstacles in front of the airplane, the pilot elected to continue the approach and subsequently impacted power lines; the impact r...	[ { "id": "T1", "mention": "pilot", "label": "Agent", "start": 4, "end": 9 }, { "id": "T2", "mention": "airplane", "label": "Aircraft", "start": 79, "end": 87 }, { "id": "T3", "mention": "descend", "label": "UndesiredEvent", "start": 110, "end": 117 ...	[ { "source_id": "T2", "relation": "hasState", "target_id": "T3", "source": "airplane", "target": "descend" }, { "source_id": "T5", "relation": "performedBy", "target_id": "T4", "source": "added power", "target": "pilot" }, { "source_id": "T6", "relation": "perf...	{ "raw_entity_count": 14, "resolved_entity_count": 14, "final_entity_count": 14, "preliminary_relation_count": 7, "final_relation_count": 7, "unresolved_entity_count": 0, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [], "repair_reviewed": true }
14	The pilot was conducting a low-altitude pipeline patrol flight in day visual meteorological conditions when the airplane descended and impacted terrain. According to the flight track data, the airplane overflew Casper, Wyoming, and then turned to a southwest heading for about 30 miles until radar contact was lost; the ...	[ { "id": "T1", "mention": "pilot", "label": "Agent", "start": 4, "end": 9 }, { "id": "T2", "mention": "day visual meteorological conditions", "label": "EnvironmentalCondition", "start": 66, "end": 102 }, { "id": "T3", "mention": "airplane", "label": "Aircra...	[ { "source_id": "T3", "relation": "hasState", "target_id": "T4", "source": "airplane", "target": "descended" }, { "source_id": "T3", "relation": "hasState", "target_id": "T5", "source": "airplane", "target": "impacted terrain" }, { "source_id": "T4", "relation"...	{ "raw_entity_count": 25, "resolved_entity_count": 12, "final_entity_count": 13, "preliminary_relation_count": 6, "final_relation_count": 6, "unresolved_entity_count": 13, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [], "repair_reviewed": true }
15	United Airlines flight 194 encountered convective turbulence while climbing through 19,000 ft after departure from San Francisco International Airport (SFO), San Francisco, CA, and a flight attendant was seriously injured. Upon being notified of the injury, the flight crew declared an emergency and diverted to Denver, ...	[ { "id": "T1", "mention": "convective turbulence", "label": "EnvironmentalCondition", "start": 39, "end": 60 }, { "id": "T2", "mention": "climbing through 19,000 ft", "label": "EnvironmentalCondition", "start": 67, "end": 93 }, { "id": "T3", "mention": "flight ...	[ { "source_id": "T9", "relation": "occursIn", "target_id": "T10", "source": "airspeed fluctuations", "target": "turbulence" }, { "source_id": "T21", "relation": "causedBy", "target_id": "T18", "source": "turbulence event", "target": "unexpected turbulence" }, { "so...	{ "raw_entity_count": 33, "resolved_entity_count": 33, "final_entity_count": 34, "preliminary_relation_count": 8, "final_relation_count": 6, "unresolved_entity_count": 0, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [ [ "T34", "T5" ] ]...
16	Shortly after landing, while taxing to get fuel, the pilot was being guided by a marshaller who was not using correct hand signaling techniques and appeared to wave at the pilot in a “follow me” fashion. As the pilot continued to taxi straight ahead, the marshaller stopped giving hand signals and watched the pilot cont...	[ { "id": "T1", "mention": "pilot", "label": "Agent", "start": 53, "end": 58 }, { "id": "T2", "mention": "marshaller", "label": "Agent", "start": 81, "end": 91 }, { "id": "T3", "mention": "not using correct hand signaling techniques", "label": "CausalFactor"...	[ { "source_id": "T12", "relation": "causedBy", "target_id": "T8", "source": "impacted", "target": "sharp right turn" }, { "source_id": "T10", "relation": "hasState", "target_id": "T8", "source": "taxiing airplane", "target": "sharp right turn" }, { "source_id": "T1...	{ "raw_entity_count": 19, "resolved_entity_count": 19, "final_entity_count": 19, "preliminary_relation_count": 7, "final_relation_count": 7, "unresolved_entity_count": 0, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [], "repair_reviewed": true }
17	During a practice autorotation with a tail wind, the pilot began the maneuver and the helicopter initially lost airspeed; the pilot immediately corrected with forward cyclic input, which also increased his descent rate. The higher than normal descent rate continued, and he began the power recovery earlier than normal. ...	[ { "id": "T1", "mention": "tail wind", "label": "EnvironmentalCondition", "start": 38, "end": 47 }, { "id": "T2", "mention": "pilot", "label": "Agent", "start": 53, "end": 58 }, { "id": "T3", "mention": "helicopter", "label": "Aircraft", "start": 86, ...	[ { "source_id": "T4", "relation": "occursIn", "target_id": "T1", "source": "lost airspeed", "target": "tail wind" }, { "source_id": "T6", "relation": "performedBy", "target_id": "T5", "source": "forward cyclic input", "target": "pilot" }, { "source_id": "T7", "...	{ "raw_entity_count": 17, "resolved_entity_count": 17, "final_entity_count": 18, "preliminary_relation_count": 8, "final_relation_count": 11, "unresolved_entity_count": 0, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [], "repair_reviewed": true }
18	The pilot/owner of the newly-acquired tailwheel airplane reported that he hired a flight instructor to help him gain proficiency landing on short, narrow runways. He admitted that he was not proficient in this area, although he was current in tailwheel airplanes. He set up for landing on runway 8 with a left crosswind ...	[ { "id": "T1", "mention": "pilot/owner", "label": "Agent", "start": 4, "end": 15 }, { "id": "T2", "mention": "tailwheel airplane", "label": "Aircraft", "start": 38, "end": 56 }, { "id": "T3", "mention": "flight instructor", "label": "Agent", "start": 82...	[ { "source_id": "T9", "relation": "performedBy", "target_id": "T8", "source": "took the controls", "target": "flight instructor" }, { "source_id": "T10", "relation": "performedBy", "target_id": "T8", "source": "slip", "target": "flight instructor" }, { "source_id":...	{ "raw_entity_count": 35, "resolved_entity_count": 34, "final_entity_count": 34, "preliminary_relation_count": 21, "final_relation_count": 11, "unresolved_entity_count": 1, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [ [ "T19", "T20" ],...
19	The pilot reported that after the airplane touched down on the runway, it “unexpectedly” veered to the left. He tried to keep the airplane on the runway by applying full right rudder, but the airplane continued toward the left side of the runway. The pilot said that the airplane was about to pass a taxiway, and he trie...	[ { "id": "T1", "mention": "pilot", "label": "Agent", "start": 4, "end": 9 }, { "id": "T2", "mention": "airplane", "label": "Aircraft", "start": 34, "end": 42 }, { "id": "T3", "mention": "veered to the left", "label": "UndesiredEvent", "start": 89, "...	[ { "source_id": "T2", "relation": "hasState", "target_id": "T3", "source": "airplane", "target": "veered to the left" }, { "source_id": "T5", "relation": "performedBy", "target_id": "T1", "source": "applying full right rudder", "target": "pilot" }, { "source_id": "...	{ "raw_entity_count": 15, "resolved_entity_count": 15, "final_entity_count": 16, "preliminary_relation_count": 9, "final_relation_count": 11, "unresolved_entity_count": 0, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [ [ "T5", "T16" ] ...
20	The pilot reported that after touchdown on the runway, a gust of wind pushed the tail of the airplane to the left. The pilot was unable to maintain directional control and the airplane departed the runway and nosed over in a grassy area adjacent to the runway. The airplane sustained substantial damage to the left wing....	[ { "id": "T1", "mention": "pilot", "label": "Agent", "start": 4, "end": 9 }, { "id": "T3", "mention": "gust of wind", "label": "EnvironmentalCondition", "start": 57, "end": 69 }, { "id": "T2", "mention": "pushed the tail of the airplane to the left", "label...	[ { "source_id": "T8", "relation": "occursIn", "target_id": "T10", "source": "departed the runway", "target": "grassy area" }, { "source_id": "T9", "relation": "occursIn", "target_id": "T10", "source": "nosed over", "target": "grassy area" }, { "source_id": "T4", ...	{ "raw_entity_count": 16, "resolved_entity_count": 16, "final_entity_count": 16, "preliminary_relation_count": 5, "final_relation_count": 10, "unresolved_entity_count": 0, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [ [ "T2", "T4" ], ...
21	The student pilot reported that during landing the airplane “dipped steeply to the right” due to a gusting wind. The student pilot corrected for the dip by applying left aileron and power before touching down on the ice-covered runway. After touchdown, the airplane skidded to the left with the nose pointed to the right...	[ { "id": "T1", "mention": "student pilot", "label": "Agent", "start": 4, "end": 17 }, { "id": "T2", "mention": "airplane", "label": "Aircraft", "start": 51, "end": 59 }, { "id": "T3", "mention": "dipped steeply to the right", "label": "UndesiredEvent", ...	[ { "source_id": "T2", "relation": "hasState", "target_id": "T3", "source": "airplane", "target": "dipped steeply to the right" }, { "source_id": "T3", "relation": "causedBy", "target_id": "T4", "source": "dipped steeply to the right", "target": "gusting wind" }, { ...	{ "raw_entity_count": 17, "resolved_entity_count": 17, "final_entity_count": 20, "preliminary_relation_count": 10, "final_relation_count": 13, "unresolved_entity_count": 0, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [ [ "T6", "T18" ], ...
22	The pilot reported that, while in a climb on the left crosswind leg of the airport traffic pattern, the engine stopped producing power. He made a left turn toward the airport, activated the electric fuel pump, and changed the fuel selector valve position from the left-wing fuel tank to the right-wing fuel tank. Despite...	[ { "id": "T1", "mention": "pilot", "label": "Agent", "start": 4, "end": 9 }, { "id": "T2", "mention": "crosswind", "label": "EnvironmentalCondition", "start": 54, "end": 63 }, { "id": "T3", "mention": "engine stopped producing power", "label": "UndesiredEve...	[ { "source_id": "T17", "relation": "hasFinding", "target_id": "T19", "source": "left wing", "target": "substantially damaged" }, { "source_id": "T18", "relation": "hasFinding", "target_id": "T19", "source": "left elevator", "target": "substantially damaged" }, { "s...	{ "raw_entity_count": 22, "resolved_entity_count": 22, "final_entity_count": 24, "preliminary_relation_count": 10, "final_relation_count": 10, "unresolved_entity_count": 0, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [ [ "T5", "T23" ], ...
23	The pilot was flying the last airplane to land in a group of six airplanes. During the landing, the main landing gear touched down on the grass runway and the airplane bounced once. When the airplane touched down again, the nose landing gear collapsed, the propeller blades contacted the grass, and the airplane nosed ov...	[ { "id": "T1", "mention": "pilot", "label": "Agent", "start": 4, "end": 9 }, { "id": "T2", "mention": "airplane", "label": "Aircraft", "start": 30, "end": 38 }, { "id": "T3", "mention": "airplanes", "label": "Aircraft", "start": 65, "end": 74 }, ...	[ { "source_id": "T9", "relation": "causedBy", "target_id": "T14", "source": "collapsed", "target": "failed from fatigue" }, { "source_id": "T12", "relation": "causedBy", "target_id": "T14", "source": "nosed over", "target": "failed from fatigue" }, { "source_id": "...	{ "raw_entity_count": 25, "resolved_entity_count": 25, "final_entity_count": 26, "preliminary_relation_count": 8, "final_relation_count": 8, "unresolved_entity_count": 0, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [], "repair_reviewed": true }
24	The flight instructor reported that, during an instructional flight with the student pilot at the flight controls, just prior to touchdown, the airplane started drifting left of center. The instructor told his student to go around, but the airplane had already reached the edge of the runway. When the instructor took co...	[ { "id": "T1", "mention": "flight instructor", "label": "Agent", "start": 4, "end": 21 }, { "id": "T2", "mention": "student pilot", "label": "Agent", "start": 77, "end": 90 }, { "id": "T3", "mention": "airplane", "label": "Aircraft", "start": 144, "...	[ { "source_id": "T3", "relation": "hasState", "target_id": "T4", "source": "airplane", "target": "drifting left of center" }, { "source_id": "T6", "relation": "hasState", "target_id": "T10", "source": "airplane", "target": "exited the runway" }, { "source_id": "T9"...	{ "raw_entity_count": 15, "resolved_entity_count": 15, "final_entity_count": 16, "preliminary_relation_count": 6, "final_relation_count": 7, "unresolved_entity_count": 0, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [], "repair_reviewed": true }
25	The pilot and pilot-rated passenger departed on a local flight; about 20 minutes into the flight the engine started to lose power. The pilot attempted to regain power, but the engine did not respond. He noticed the ocean tide was low, so he elected to land on the beach. The airplane landed hard and veered into the wate...	[ { "id": "T1", "mention": "pilot", "label": "Agent", "start": 4, "end": 9 }, { "id": "T2", "mention": "pilot-rated passenger", "label": "Agent", "start": 14, "end": 35 }, { "id": "T3", "mention": "engine started to lose power", "label": "UndesiredEvent", ...	[ { "source_id": "T5", "relation": "performedBy", "target_id": "T4", "source": "attempted to regain power", "target": "pilot" }, { "source_id": "T8", "relation": "performedBy", "target_id": "T1", "source": "land on the beach", "target": "pilot" }, { "source_id": "T9...	{ "raw_entity_count": 17, "resolved_entity_count": 16, "final_entity_count": 18, "preliminary_relation_count": 8, "final_relation_count": 9, "unresolved_entity_count": 1, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [ [ "T15", "T18" ] ...
26	The flight instructor reported that the student pilot aborted the first landing attempt due to crosswind conditions. During the second landing, the airplane bounced, then weather vaned and exited the runway to the right, substantially damaging the right wing tip before coming to rest. The instructor reported that ther...	[ { "id": "T1", "mention": "flight instructor", "label": "Agent", "start": 4, "end": 21 }, { "id": "T2", "mention": "student pilot", "label": "Agent", "start": 40, "end": 53 }, { "id": "T3", "mention": "aborted the first landing attempt", "label": "HumanActi...	[ { "source_id": "T3", "relation": "performedBy", "target_id": "T2", "source": "aborted the first landing attempt", "target": "student pilot" }, { "source_id": "T5", "relation": "hasState", "target_id": "T6", "source": "airplane", "target": "bounced" }, { "source_id...	{ "raw_entity_count": 12, "resolved_entity_count": 12, "final_entity_count": 12, "preliminary_relation_count": 7, "final_relation_count": 6, "unresolved_entity_count": 0, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [], "repair_reviewed": true }
27	The pilot of a Yakovlev Yak-52 reported that he was in the number three position, off the lead airplane’s left wing while in a four-airplane formation flight. The pilot of the lead airplane initiated a left turn and the formation followed. While in the left turn, the pilot of the number three airplane felt “a bump” fro...	[ { "id": "T1", "mention": "pilot", "label": "Agent", "start": 4, "end": 9 }, { "id": "T2", "mention": "Yakovlev Yak-52", "label": "Aircraft", "start": 15, "end": 30 }, { "id": "T3", "mention": "lead airplane’s left wing", "label": "PhysicalObject", "sta...	[ { "source_id": "T2", "relation": "hasState", "target_id": "T8", "source": "Yakovlev Yak-52", "target": "bump" }, { "source_id": "T7", "relation": "hasState", "target_id": "T13", "source": "number three airplane", "target": "mid-air collision" }, { "source_id": "T1...	{ "raw_entity_count": 36, "resolved_entity_count": 36, "final_entity_count": 36, "preliminary_relation_count": 10, "final_relation_count": 14, "unresolved_entity_count": 0, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [], "repair_reviewed": true }
28	The pilot landed at the departure airport and dropped off passengers before the accident flight. The pilot then left the airplane while it was being fueled and returned after fueling was completed. The pilot walked around the airplane while talking on a cellular phone, which was not consistent with a proper preflight i...	[ { "id": "T1", "mention": "pilot", "label": "Agent", "start": 4, "end": 9 }, { "id": "T2", "mention": "airplane", "label": "Aircraft", "start": 121, "end": 129 }, { "id": "T3", "mention": "airplane", "label": "Aircraft", "start": 226, "end": 234 }...	[ { "source_id": "T22", "relation": "causedBy", "target_id": "T21", "source": "loss of left engine power", "target": "fuel starvation" }, { "source_id": "T30", "relation": "causedBy", "target_id": "T21", "source": "loss of left engine power", "target": "fuel starvation" }...	{ "raw_entity_count": 38, "resolved_entity_count": 38, "final_entity_count": 38, "preliminary_relation_count": 14, "final_relation_count": 14, "unresolved_entity_count": 0, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [ [ "T33", "T34" ],...
29	The pilot reported that shortly after he exited the runway after landing, the nose landing gear collapsed. According to his written statement, “neither the flaps had been retracted yet or a command given to retract the landing gear.” He immediately shut off the mixture to the engine, took photos of the cockpit controls...	[ { "id": "T1", "mention": "pilot", "label": "Agent", "start": 4, "end": 9 }, { "id": "T2", "mention": "runway", "label": "EnvironmentalCondition", "start": 52, "end": 58 }, { "id": "T3", "mention": "nose landing gear", "label": "PhysicalObject", "start"...	[ { "source_id": "T3", "relation": "hasState", "target_id": "T4", "source": "nose landing gear", "target": "collapsed" }, { "source_id": "T7", "relation": "performedBy", "target_id": "T1", "source": "shut off the mixture", "target": "pilot" }, { "source_id": "T5", ...	{ "raw_entity_count": 22, "resolved_entity_count": 22, "final_entity_count": 25, "preliminary_relation_count": 8, "final_relation_count": 10, "unresolved_entity_count": 0, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [ [ "T7", "T23" ] ...
30	The pilot reported that during the local flight the engine lost partial power. He applied the carburetor heat and the engine power was restored. The pilot left the carburetor heat on for the remainder of the flight. While on final approach to land, the engine lost total power. The airplane landed short of the runway a...	[ { "id": "T1", "mention": "pilot", "label": "Agent", "start": 4, "end": 9 }, { "id": "T15", "mention": "engine", "label": "PhysicalObject", "start": 52, "end": 58 }, { "id": "T2", "mention": "engine lost partial power", "label": "UndesiredEvent", "start...	[ { "source_id": "T15", "relation": "hasState", "target_id": "T2", "source": "engine", "target": "engine lost partial power" }, { "source_id": "T16", "relation": "hasState", "target_id": "T6", "source": "engine", "target": "engine lost total power" }, { "source_id":...	{ "raw_entity_count": 14, "resolved_entity_count": 14, "final_entity_count": 16, "preliminary_relation_count": 4, "final_relation_count": 6, "unresolved_entity_count": 0, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [ [ "T15", "T2" ], ...
31	The pilot reported that the landing gear hydraulic pump indicator relay and diode were replaced before he departed on the accident flight. Maintenance personnel performed ground checks and function tests that indicated the landing gear hydraulic pump was operational with no defects. The pilot confirmed that during take...	[ { "id": "T1", "mention": "pilot", "label": "Agent", "start": 4, "end": 9 }, { "id": "T2", "mention": "landing gear hydraulic pump indicator relay and diode", "label": "PhysicalObject", "start": 28, "end": 81 }, { "id": "T3", "mention": "Maintenance personnel",...	[ { "source_id": "T5", "relation": "hasFinding", "target_id": "T6", "source": "landing gear hydraulic pump", "target": "no defects" }, { "source_id": "T8", "relation": "hasFinding", "target_id": "T20", "source": "landing gear indication system", "target": "normal operating ...	{ "raw_entity_count": 32, "resolved_entity_count": 32, "final_entity_count": 35, "preliminary_relation_count": 11, "final_relation_count": 12, "unresolved_entity_count": 0, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [ [ "T33", "T13" ],...
32	The pilot was flying to an airport that was about 33 nautical miles away from the departure airport, and after takeoff climbed to an altitude of 2,000 ft before descending to 1,500 ft. About 8 minutes into the flight the airplane’s engine "coughed and stopped running." In response, the pilot switched the fuel selector ...	[ { "id": "T1", "mention": "pilot", "label": "Agent", "start": 4, "end": 9 }, { "id": "T2", "mention": "2,000 ft", "label": "EnvironmentalCondition", "start": 145, "end": 153 }, { "id": "T3", "mention": "1,500 ft", "label": "EnvironmentalCondition", "sta...	[ { "source_id": "T10", "relation": "performedBy", "target_id": "T6", "source": "attempted to restart the engine", "target": "pilot" }, { "source_id": "T12", "relation": "performedBy", "target_id": "T13", "source": "attempt to restart the engine", "target": "pilot" }, {...	{ "raw_entity_count": 31, "resolved_entity_count": 31, "final_entity_count": 31, "preliminary_relation_count": 11, "final_relation_count": 9, "unresolved_entity_count": 0, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [], "repair_reviewed": true }
33	During a flight test, the unmanned aircraft’s flight control computer registered a low battery voltage reading and entered an automatic land in place flight maneuver. The aircraft was hovering over a large bush at the time and the ground station operator (GSO) attempted to override the system, but the system rejected t...	[ { "id": "T1", "mention": "unmanned aircraft", "label": "Aircraft", "start": 26, "end": 43 }, { "id": "T2", "mention": "low battery voltage reading", "label": "ObservationFinding", "start": 83, "end": 110 }, { "id": "T3", "mention": "automatic land in place fli...	[ { "source_id": "T1", "relation": "hasFinding", "target_id": "T2", "source": "unmanned aircraft", "target": "low battery voltage reading" }, { "source_id": "T1", "relation": "hasState", "target_id": "T3", "source": "unmanned aircraft", "target": "automatic land in place fl...	{ "raw_entity_count": 22, "resolved_entity_count": 22, "final_entity_count": 22, "preliminary_relation_count": 12, "final_relation_count": 13, "unresolved_entity_count": 0, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [ [ "T20", "T21" ] ...
34	The pilot planned to land at a Bureau of Land Management backcountry landing strip he had previously visited over 100 times. After completing multiple low passes to assess the snow depth and overall conditions of the landing area, he executed a soft field landing in a 3-point, full stall attitude. During the rollout,...	[ { "id": "T1", "mention": "pilot", "label": "Agent", "start": 4, "end": 9 }, { "id": "T2", "mention": "snow depth", "label": "EnvironmentalCondition", "start": 177, "end": 187 }, { "id": "T3", "mention": "soft field landing", "label": "HumanAction", "st...	[ { "source_id": "T3", "relation": "performedBy", "target_id": "T1", "source": "soft field landing", "target": "pilot" }, { "source_id": "T5", "relation": "causedBy", "target_id": "T4", "source": "unable to maintain control", "target": "drag from the snow was greater than e...	{ "raw_entity_count": 16, "resolved_entity_count": 16, "final_entity_count": 16, "preliminary_relation_count": 7, "final_relation_count": 9, "unresolved_entity_count": 0, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [], "repair_reviewed": true }
35	The pilot reported that, during cruise flight, he observed an increase of cylinder head temperature along with “abnormal engine operation” and decided to make a precautionary landing, off airport. During the landing roll in the tailwheel equipped airplane, the right main tire “sunk” in the soil and the tail of the airp...	[ { "id": "T1", "mention": "pilot", "label": "Agent", "start": 4, "end": 9 }, { "id": "T2", "mention": "increase of cylinder head temperature", "label": "ObservationFinding", "start": 62, "end": 99 }, { "id": "T3", "mention": "abnormal engine operation", "la...	[ { "source_id": "T4", "relation": "performedBy", "target_id": "T1", "source": "precautionary landing", "target": "pilot" }, { "source_id": "T4", "relation": "appliedTo", "target_id": "T6", "source": "precautionary landing", "target": "tailwheel equipped airplane" }, { ...	{ "raw_entity_count": 23, "resolved_entity_count": 23, "final_entity_count": 24, "preliminary_relation_count": 12, "final_relation_count": 13, "unresolved_entity_count": 0, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [], "repair_reviewed": true }
36	The pilot was performing an aileron roll when the airplane suddenly entered an uncommanded high-g maneuver, and he lost control of the airplane. He was able to release his seat belt and parachute to the ground. The left wing and aileron separated from the airplane before impacting a muddy field.The mostly intact left a...	[ { "id": "T1", "mention": "pilot", "label": "Agent", "start": 4, "end": 9 }, { "id": "T2", "mention": "airplane", "label": "Aircraft", "start": 50, "end": 58 }, { "id": "T3", "mention": "uncommanded high-g maneuver", "label": "UndesiredEvent", "start": ...	[ { "source_id": "T2", "relation": "hasState", "target_id": "T3", "source": "airplane", "target": "uncommanded high-g maneuver" }, { "source_id": "T2", "relation": "hasState", "target_id": "T4", "source": "airplane", "target": "lost control" }, { "source_id": "T5", ...	{ "raw_entity_count": 36, "resolved_entity_count": 36, "final_entity_count": 36, "preliminary_relation_count": 15, "final_relation_count": 16, "unresolved_entity_count": 0, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [], "repair_reviewed": true }
37	The flight instructor reported that his student began the transition to flare on a normal, full stop landing. During the flare, the airplane’s nose yawed to the left. The instructor added right rudder to correct; however, the left wing pitched up. The instructor attempted to correct by applying left aileron to level th...	[ { "id": "T1", "mention": "flight instructor", "label": "Agent", "start": 4, "end": 21 }, { "id": "T2", "mention": "student", "label": "Agent", "start": 40, "end": 47 }, { "id": "T3", "mention": "airplane", "label": "Aircraft", "start": 132, "end": ...	[ { "source_id": "T4", "relation": "hasState", "target_id": "T5", "source": "nose", "target": "yawed to the left" }, { "source_id": "T7", "relation": "hasState", "target_id": "T8", "source": "left wing", "target": "pitched up" }, { "source_id": "T11", "relation"...	{ "raw_entity_count": 32, "resolved_entity_count": 14, "final_entity_count": 20, "preliminary_relation_count": 3, "final_relation_count": 11, "unresolved_entity_count": 18, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [ [ "T15", "T6" ], ...
38	The pilot reported that, during a night cross country flight, the airplane encountered icing conditions while on an instrument approach. The pilot observed about 4 inches of ice had formed on the wing, running about one foot aft. The pilot reported he put the landing gear down about 5 miles from the runway. The pilot c...	[ { "id": "T1", "mention": "pilot", "label": "Agent", "start": 4, "end": 9 }, { "id": "T2", "mention": "night cross country flight", "label": "EnvironmentalCondition", "start": 34, "end": 60 }, { "id": "T3", "mention": "airplane", "label": "Aircraft", "s...	[ { "source_id": "T11", "relation": "occursIn", "target_id": "T12", "source": "broke out of the clouds", "target": "300-400 ft agl" }, { "source_id": "T16", "relation": "hasState", "target_id": "T17", "source": "airplane", "target": "post-impact fire" }, { "source_i...	{ "raw_entity_count": 21, "resolved_entity_count": 21, "final_entity_count": 22, "preliminary_relation_count": 6, "final_relation_count": 5, "unresolved_entity_count": 0, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [ [ "T22", "T15" ] ...
39	The accident flight was a short, 15-minute return flight, from island to island, with about 19 gallons of fuel onboard. Since the pilot had not flown in several months, he veered north of course to practice a slow speed descent and the power settings that he would be using during his landing approach. He slowed and red...	[ { "id": "T1", "mention": "pilot", "label": "Agent", "start": 130, "end": 135 }, { "id": "T2", "mention": "veered north of course", "label": "UndesiredEvent", "start": 172, "end": 194 }, { "id": "T3", "mention": "slow speed descent", "label": "HumanAction",...	[ { "source_id": "T7", "relation": "hasState", "target_id": "T6", "source": "airplane", "target": "ditched the airplane" }, { "source_id": "T10", "relation": "hasFinding", "target_id": "T9", "source": "wing tanks", "target": "Fuel, mixed with sea water" }, { "source...	{ "raw_entity_count": 12, "resolved_entity_count": 11, "final_entity_count": 12, "preliminary_relation_count": 6, "final_relation_count": 5, "unresolved_entity_count": 1, "review_dropped_entity_ids": [], "review_changed_labels": [], "overlapping_entity_pairs": [], "repair_reviewed": true }

0

According to the pilot, he performed a wheel landing in the tailwheel-equipped airplane. As he lowered the tailwheel, the airplane turned right, and he applied left rudder to continue straight. As soon as he applied the rudder pressure, he “felt something pop” and the airplane continued to turn right, resulting in a gr...

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[ { "source_id": "T2", "relation": "performedBy", "target_id": "T1", "source": "wheel landing", "target": "pilot" }, { "source_id": "T2", "relation": "appliedTo", "target_id": "T3", "source": "wheel landing", "target": "tailwheel-equipped airplane" }, { "source_id":...

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1

The flight instructor of the tailwheel-equipped airplane reported that the airplane swerved slightly to the left during landing roll on an instructional flight with a pilot receiving instruction at the controls. After the tailwheel touched the ground, the pilot receiving instruction attempted to control the left swerve...

[ { "id": "T1", "mention": "flight instructor", "label": "Agent", "start": 4, "end": 21 }, { "id": "T2", "mention": "tailwheel-equipped airplane", "label": "Aircraft", "start": 29, "end": 56 }, { "id": "T3", "mention": "airplane", "label": "Aircraft", "s...

[ { "source_id": "T3", "relation": "hasState", "target_id": "T4", "source": "airplane", "target": "swerved slightly to the left" }, { "source_id": "T10", "relation": "hasState", "target_id": "T11", "source": "airplane", "target": "veering to the right side of the runway" ...

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2

The pilot stated he went flying in windy conditions and that during landing, a crosswind “blew” the airplane to the left side of runway 19. He attempted to realign the airplane with the runway centerline, however, the nose “dropped sharply.” The pilot tried to bring the nose up again, but the nose landing gear struck t...

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3

The pilot reported that he had recently completed his initial training, and the accident flight was his first flight in the airplane. The pilot entered the traffic pattern with the autopilot engaged and was told by the co-pilot to “keep it tight.” The autopilot did not command a steep enough bank, and the pilot disconn...

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4

The pilot reported that the airplane encountered a crosswind gust during the landing roll and subsequently departed the right side of the runway pavement onto snow covered terrain adjacent to the runway. The nose landing gear sunk into the soft ground adjacent to the runway and the airplane nosed over coming to rest in...

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5

The pilot reported that following a local flight, the approach to landing and touchdown were normal, however, as he applied wheel brakes, the airplane veered to the right. He attempted to correct with left rudder and brake application but was unable to stop the right veer. Subsequently, the airplane exited the runway t...

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6

The pilot reported that while on final approach, the right wing of the airplane struck the top of a tree about 40 feet above ground level. This resulted in an aerodynamic stall and loss of airplane control at an altitude too low to allow for recovery. The airplane impacted the ground, which resulted in substantial dama...

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7

The non-instrument-rated pilot was on his second day of a long cross-country flight. The first night of his trip he slept in a pilot lounge at an en route airport. He departed the following morning and made one stop for fuel. During the fuel stop, pilot spoke with an airport employee, who said the pilot appeared tired....

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8

USA Jet Airlines, flight JUS834, sustained a tailstrike while landing at the Saltillo/Plan De Guadalupe International Airport (SLW), Saltillo, Mexico. After the event, the airplane completed two additional flights before the damage was discovered by maintenance personnel. The flight was an on-demand international cargo...

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9

The pilot reported that light rain and trace clear air icing were forecast along his intended route of flight, and he encountered those conditions during climb out. As the airplane was climbing through 14,000 ft mean sea level (msl) in instrument meteorological conditions, he noticed the airspeed had decreased 10-15 kn...

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10

About 15 minutes after takeoff during an instructional flight, the engine backfired several times and 5 to 10 seconds later the engine lost total power. The flight instructor assumed control of the airplane, maintained a 75-knot glide speed, and attempted to restart the engine, but without success. The flight instructo...

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11

United Airlines flight 1091 sustained a tailstrike while landing at George Bush Intercontinental Airport (KIAH), Houston, TX. The flight was a regularly scheduled international passenger flight from Mexico City, Mexico to KIAH.According to the flight crew, the captain was the pilot monitoring, and the first officer (FO...

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12

After obtaining fuel at a land-based airport, the pilot noted a small leak in the amphibious airplane’s hydraulic landing gear extension/retraction system. He subsequently departed for the accident flight. While the pilot was landing the airplane on a lake, he noticed that the landing gear were still extended; the airp...

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13

The pilot reported that while on final approach to the destination airport the airplane unexpectedly began to descend. The pilot added power, pitched up, and arrested the descent. Seeing no obstacles in front of the airplane, the pilot elected to continue the approach and subsequently impacted power lines; the impact r...

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14

The pilot was conducting a low-altitude pipeline patrol flight in day visual meteorological conditions when the airplane descended and impacted terrain. According to the flight track data, the airplane overflew Casper, Wyoming, and then turned to a southwest heading for about 30 miles until radar contact was lost; the ...

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15

United Airlines flight 194 encountered convective turbulence while climbing through 19,000 ft after departure from San Francisco International Airport (SFO), San Francisco, CA, and a flight attendant was seriously injured. Upon being notified of the injury, the flight crew declared an emergency and diverted to Denver, ...

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16

Shortly after landing, while taxing to get fuel, the pilot was being guided by a marshaller who was not using correct hand signaling techniques and appeared to wave at the pilot in a “follow me” fashion. As the pilot continued to taxi straight ahead, the marshaller stopped giving hand signals and watched the pilot cont...

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17

During a practice autorotation with a tail wind, the pilot began the maneuver and the helicopter initially lost airspeed; the pilot immediately corrected with forward cyclic input, which also increased his descent rate. The higher than normal descent rate continued, and he began the power recovery earlier than normal. ...

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18

The pilot/owner of the newly-acquired tailwheel airplane reported that he hired a flight instructor to help him gain proficiency landing on short, narrow runways. He admitted that he was not proficient in this area, although he was current in tailwheel airplanes. He set up for landing on runway 8 with a left crosswind ...

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19

The pilot reported that after the airplane touched down on the runway, it “unexpectedly” veered to the left. He tried to keep the airplane on the runway by applying full right rudder, but the airplane continued toward the left side of the runway. The pilot said that the airplane was about to pass a taxiway, and he trie...

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20

The pilot reported that after touchdown on the runway, a gust of wind pushed the tail of the airplane to the left. The pilot was unable to maintain directional control and the airplane departed the runway and nosed over in a grassy area adjacent to the runway. The airplane sustained substantial damage to the left wing....

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21

The student pilot reported that during landing the airplane “dipped steeply to the right” due to a gusting wind. The student pilot corrected for the dip by applying left aileron and power before touching down on the ice-covered runway. After touchdown, the airplane skidded to the left with the nose pointed to the right...

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22

The pilot reported that, while in a climb on the left crosswind leg of the airport traffic pattern, the engine stopped producing power. He made a left turn toward the airport, activated the electric fuel pump, and changed the fuel selector valve position from the left-wing fuel tank to the right-wing fuel tank. Despite...

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23

The pilot was flying the last airplane to land in a group of six airplanes. During the landing, the main landing gear touched down on the grass runway and the airplane bounced once. When the airplane touched down again, the nose landing gear collapsed, the propeller blades contacted the grass, and the airplane nosed ov...

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24

The flight instructor reported that, during an instructional flight with the student pilot at the flight controls, just prior to touchdown, the airplane started drifting left of center. The instructor told his student to go around, but the airplane had already reached the edge of the runway. When the instructor took co...

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25

The pilot and pilot-rated passenger departed on a local flight; about 20 minutes into the flight the engine started to lose power. The pilot attempted to regain power, but the engine did not respond. He noticed the ocean tide was low, so he elected to land on the beach. The airplane landed hard and veered into the wate...

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26

The flight instructor reported that the student pilot aborted the first landing attempt due to crosswind conditions. During the second landing, the airplane bounced, then weather vaned and exited the runway to the right, substantially damaging the right wing tip before coming to rest. The instructor reported that ther...

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27

The pilot of a Yakovlev Yak-52 reported that he was in the number three position, off the lead airplane’s left wing while in a four-airplane formation flight. The pilot of the lead airplane initiated a left turn and the formation followed. While in the left turn, the pilot of the number three airplane felt “a bump” fro...

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28

The pilot landed at the departure airport and dropped off passengers before the accident flight. The pilot then left the airplane while it was being fueled and returned after fueling was completed. The pilot walked around the airplane while talking on a cellular phone, which was not consistent with a proper preflight i...

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29

The pilot reported that shortly after he exited the runway after landing, the nose landing gear collapsed. According to his written statement, “neither the flaps had been retracted yet or a command given to retract the landing gear.” He immediately shut off the mixture to the engine, took photos of the cockpit controls...

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30

The pilot reported that during the local flight the engine lost partial power. He applied the carburetor heat and the engine power was restored. The pilot left the carburetor heat on for the remainder of the flight. While on final approach to land, the engine lost total power. The airplane landed short of the runway a...

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31

The pilot reported that the landing gear hydraulic pump indicator relay and diode were replaced before he departed on the accident flight. Maintenance personnel performed ground checks and function tests that indicated the landing gear hydraulic pump was operational with no defects. The pilot confirmed that during take...

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32

The pilot was flying to an airport that was about 33 nautical miles away from the departure airport, and after takeoff climbed to an altitude of 2,000 ft before descending to 1,500 ft. About 8 minutes into the flight the airplane’s engine "coughed and stopped running." In response, the pilot switched the fuel selector ...

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33

During a flight test, the unmanned aircraft’s flight control computer registered a low battery voltage reading and entered an automatic land in place flight maneuver. The aircraft was hovering over a large bush at the time and the ground station operator (GSO) attempted to override the system, but the system rejected t...

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34

The pilot planned to land at a Bureau of Land Management backcountry landing strip he had previously visited over 100 times. After completing multiple low passes to assess the snow depth and overall conditions of the landing area, he executed a soft field landing in a 3-point, full stall attitude. During the rollout,...

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35

The pilot reported that, during cruise flight, he observed an increase of cylinder head temperature along with “abnormal engine operation” and decided to make a precautionary landing, off airport. During the landing roll in the tailwheel equipped airplane, the right main tire “sunk” in the soil and the tail of the airp...

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36

The pilot was performing an aileron roll when the airplane suddenly entered an uncommanded high-g maneuver, and he lost control of the airplane. He was able to release his seat belt and parachute to the ground. The left wing and aileron separated from the airplane before impacting a muddy field.The mostly intact left a...

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37

The flight instructor reported that his student began the transition to flare on a normal, full stop landing. During the flare, the airplane’s nose yawed to the left. The instructor added right rudder to correct; however, the left wing pitched up. The instructor attempted to correct by applying left aileron to level th...

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38

The pilot reported that, during a night cross country flight, the airplane encountered icing conditions while on an instrument approach. The pilot observed about 4 inches of ice had formed on the wing, running about one foot aft. The pilot reported he put the landing gear down about 5 miles from the runway. The pilot c...

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39

The accident flight was a short, 15-minute return flight, from island to island, with about 19 gallons of fuel onboard. Since the pilot had not flown in several months, he veered north of course to practice a slow speed descent and the power settings that he would be using during his landing approach. He slowed and red...

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AeroGraph

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