NTSB investigations: Bell Helicopter Textron 206L-1
187 cases on aircraft the registry lists as Bell Helicopter Textron 206L-1. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.
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duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c.\"mKey\" AND a.position = 1
WHERE c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1182107'))
ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1182107'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB ATL05CA077Accident · No injuriesData collectionFinal reportBell 206L 1 · Cherokee, NCThe pilot's improper use of the helicopter flight controls during a hover that resulted in a dynamic rollover.NTSB DFW05CA088Accident · Serious injuriesData collectionFinal reportBell B-206L-1 · Galliano, LAThe pilot's abrupt input of the collective while the main rotor RPM was at idle, which resulted in a separation of the tail boom.NTSB DFW05FA073Accident · 1 fatalField investigationFinal reportBell 206-L1 · Gentry, ARThe pilot’s improper decision to maneuver in an environment conducive to a loss of tail rotor effectiveness.NTSB DFW05CA044Accident · No injuriesData collectionFinal reportBell B206L-1 · Patterson, LAThe loss of engine power due to fuel starvation resulting from the pilot's failure to activate the fuel boost pumps prior to takeoff. A contributing factor was that the helicopter was at an airspeed and altiutude combination (below height/velocity curve)…NTSB FTW04FA186Accident · 1 fatalField investigationFinal reportBell 206 L-1 · Cameron, LAThe helicopter's in-flight collision with water for undetermined reasons.NTSB FTW04FA168Accident · 3 fatalField investigationFinal reportBell 206-L1 · Vermillion Bay, LAThe pilot's continued flight into adverse weather conditions resulting in a loss of control. Contributing factors were the prevailing thunderstorms and the pilot's inadequate in flight preparation and planning.NTSB CHI04FA107Accident · 1 fatalField investigationFinal reportBell 206L-1 · Boonville, INThe pilot's inadequate planning/decision which resulted in his failure to maintain terrain clearance. Contributing factors were the pilot's inadequate preflight planning, his diverted attention, and the dark night conditions.NTSB FTW04CA030Accident · Minor injuriesData collectionFinal reportBell 206L1 · Paris, ARThe pilot's failure to remove the main rotor tiedown prior to engine startup. Contributing factors were the pressure induced by conditions/events, improper preflight of the aircraft, and dark night conditions,NTSB CHI03LA319Accident · No injuriesLimited investigationFinal reportBell 206L-1 · Shoals, INThe pilot not maintaining a proper descent rate during the touchdown once visual reference was reduced by the dust in the rotor downwash. Factors were the dusty gravel landing area and the pilot's visual lookout not being possible due to the dust the rotor…NTSB CHI03LA062Accident · No injuriesLimited investigationFinal reportBell 206L-1 · West Plains, MOThe excessive descent rate that required an abrupt flare, resulting in the main rotor severing the tailboom.NTSB CHI03FA056Accident · 1 fatalField investigationFinal reportBell 206L-1 · B.S. 53, LAThe improper approach by the pilot and the settling with power encountered by the pilot.NTSB IAD03LA015Accident · No injuriesLimited investigationFinal reportBell 206L1 · Albany, KYThe pilot's inadequate in-flight planning, which resulted in an angle of approach in relative wind conditions conducive to a loss of helicopter tail rotor effectiveness. A factor was the obstacles surrounding the landing field.NTSB FTW03LA015Accident · Serious injuriesLimited investigationFinal reportBell 206L-1 · Edinburg, TXThe loss of tailrotor effectiveness due to the right quartering tailwind, which resulted in a hard landing. Factors were the lack of suitable surrounding terrain for landing, which included numerous surrounding obstacles, and the tailwind.NTSB LAX02LA295Accident · No injuriesLimited investigationFinal reportBell 206L-1 · North Las Vegas, NVthe pilot's inadequate in-flight planning/decision, which resulted in fuel exhaustion and loss of engine power due to an inadequate fuel supply.NTSB CHI02FA288Accident · 4 fatalField investigationFinal reportBell 206L-1 · Doland, SDPilot spatial disorientation while flying in dark night conditions, resulting in a loss of aircraft control; and the company's inadequate remedial actions after identifying the pilot's night flying deficiency over areas without lighted references. A factor to…NTSB FTW02LA228Accident · No injuriesLimited investigationFinal reportBell 206L-1 · E Cameron 190The loss of engine power for undetermined reasons.NTSB FTW02LA176Accident · No injuriesLimited investigationFinal reportBell 206L-3 · Dover, ARThe pilot's failure to maintain clearance with trees during the approach. A contributing factor was dark night light conditions.NTSB LAX02LA178Accident · Minor injuriesLimited investigationFinal reportBell 206L-1 · Meadview, AZthe pilot's failure to maintain distance and altitude during landing approach, resulting in the helicopter striking the ground during approach.NTSB DEN02LA044Accident · Serious injuriesLimited investigationFinal reportBell 206L-1 · Salem, UTa loss of tail rotor effectiveness during takeoff. A contributing factor was the wind gusts.NTSB ATL02FA048Accident · 2 fatalField investigationFinal reportBell 206L-1 · New Smyrna Bch., FLThe pilot continued visual flight into instrument conditions that resulted in the in-flight collision with trees. Factor were the pilot's alcohol impaired condition, and low cloud conditions.NTSB FTW01LA172Accident · Serious injuriesLimited investigationFinal reportBell 206-L1 · Wc 173the pilot's failure to maintain yaw control of the helicopter during approach.NTSB NYC01LA088Accident · Serious injuriesLimited investigationFinal reportBell 206 L-1 · Seneca Falls, NYthe loss of a bolt in a Thomas coupling on the tail rotor drive shaft, for undetermined reasons, during climb, while operating over unsuitable terrain.NTSB CHI01LA070Accident · Serious injuriesLimited investigationFinal reportBell 206L-1 · Quincy, ILThe security guard failed to maintain clearance with the operating tail rotor.NTSB ANC01LA030Accident · No injuriesLimited investigationFinal reportBell 206L-1 · Tyonek, AKThe pilot's failure to maintain adequate tail rotor clearance while maneuvering to land.NTSB DEN01LA012Accident · No injuriesLimited investigationFinal reportBell 206L-1 · Mesa Verde, COThe manufacturer's use of improper materials, and inadequate quality control of the tail rotor blades during the manufacturing process, which resulted in fatigue failure of the blade.NTSB LAX01LA013Accident · Minor injuriesLimited investigationFinal reportBell 206L-1 · Grand Canyon, AZThe pilot's in-flight loss of control during liftoff due to his improper planning and decisions. Related factors were the high density altitude and helicopter weight condition, and the lack of a suitable takeoff area.NTSB FTW01LA004Accident · Serious injuriesLimited investigationFinal reportBell 206-L1 · Jasper, TXThe pilot's inadvertent VFR flight into instrument meteorological conditions, which resulted in his failure to maintain control of the helicopter. Factors were the fog and the pilot's lack of instrument flight experience.NTSB FTW00LA252Accident · Serious injuriesLimited investigationFinal reportBell 206-L1 · Eugene Is 296bThe loss of engine power for undetermined reasons. A factor was the lack of suitable terrain for a forced landing.NTSB LAX00GA286Accident · 1 fatalFinal reportBell 206L-1 · Montello, NVThe loss of control in hovering flight and impact with terrain for undetermined reasons.NTSB FTW00LA040Accident · Serious injuriesLimited investigationFinal reportBell 206L-1 · Ship Shoal 225The loss of power for undetermined reasons. A factor was the rough water condition.NTSB FTW00RA039Accident · 1 fatalForeign investigationBell 206-L1 · Cabinda, AngolaNTSB SEA00LA020Accident · No injuriesLimited investigationFinal reportBell 206L-1 · Neihart, MTClearance from an object was not maintained. Gusting wind conditions was a factor.NTSB NYC99GA234Accident · Serious injuriesFinal reportBell 206L-1 · Randolph, NYThe pilot's failure to maintain visual separation from the wires. A factor was sunglare.NTSB ANC99TA029Accident · Minor injuriesFinal reportBell 206L-1 · Barrow, AKThe pilot's misjudged flare while landing. Factors associated with the accident were whiteout conditions, and the snow-covered terrain.NTSB MIA98LA148Accident · No injuriesLimited investigationFinal reportBell 206L-1 · Orlando, FLfailure of the flight crew to maintain main rotor RPM during a landing touchdown, which resulted in the main rotor blades contacting the tailboom.NTSB LAX98LA140Accident · No injuriesLimited investigationFinal reportBell 206L-1 · Los Angeles, CAAn overtemp of the engine during start within 10 hours of the accident, and the failure to report the event to the maintenance facility.NTSB FTW97RA323Accident · 3 fatalForeign investigationBell 206L-1 · Arica, PeruNTSB FTW97LA270Accident · No injuriesLimited investigationFinal reportBell 206L-1 · Amelia, LApartial loss of engine power due to frog(s) being ingested into the engine. Factors relating to the accident were: the lack of altitude and lack of suitable terrain for a forced landing.NTSB LAX97GA235Accident · 1 fatalFinal reportBell BHT-206L-1 · Highland, CALoss of engine power due to fuel contamination. Also causal was the ingestion of entrapped air that occurred during an abrupt maneuver and fuel-borne contamination that caused the fuel system check valves to leak, resulted in a lower than expected fuel level…NTSB FTW97FA208Accident · 1 fatalField investigationFinal reportBell 206B · Intracoastl Cty, LAThe failure of both pilots to see and avoid each other's aircraft. Factors were the failure of the pilot of N2773A to use the available traffic advisory service and the failure of the operator of N2773A to make the use of traffic advisory services a company…NTSB FTW97LA114Accident · Minor injuriesLimited investigationFinal reportBell 206L-1 · Jamaica Beach, TXThe pilot's encounter with instrument meteorological conditions, and his subsequent loss of aircraft control due to the loss of visual cues to detect his height above the water. Factors were the low ceilings and fog, and the loss of tail rotor effectiveness.NTSB NYC96GA083Accident · 2 fatalFinal reportBell 206L-1 · Charleston, WVthe helicopter manufacturer's inadequate maintenance service bulletin inspection interval which failed to provide timely detection of preexisting fatigue cracks in the tail boom. Factors were: the manufacturer's failure to develop a modification of the failed…NTSB LAX95FA339Accident · 1 fatalField investigationFinal reportBell 206L-1 · Irvine, CAthe pilot's intentional VFR flight into IMC conditions and failure to maintain an adequate terrain clearance altitude, and the local controller's improper use of ATC procedure/technique. Factors in the accident were the helicopter's low fuel state and lack of…NTSB CHI95LA327Accident · Minor injuriesLimited investigationFinal reportBell 206L · Ware, ILthe pilot's failure to maintain control of the helicopter. A factor in the accident was the pilot's inadvertent VFR flight into IMC conditions.NTSB LAX95FA313Accident · 2 fatalField investigationFinal reportBell 206-L1 · Johnsondale, CAthe pilot's failure to maintain an adequate obstacle clearance altitude while operating at a very low level. The aircraft's lack of wire cutters was a factor in this accident.NTSB NYC95LA142Accident · No injuriesLimited investigationFinal reportBell 206-BIII · New York, NYThe pilot' inadequate preflight inspection. A factor was the pilot's diverted attention.NTSB SEA94LA073Accident · Minor injuriesLimited investigationFinal reportBell 206 L-1 · Salt Lake City, UTThe pilot's selection of unsuitable terrain for a landing site. Factors include snow covered terrain.NTSB LAX94LA126Accident · Serious injuriesLimited investigationFinal reportBell 206L-1 · Barstow, CAthe pilot's misjudgment of the landing flare altitude during a night autorotation while preoccupied with maintaining proper main rotor rpm. A factor in the accident was the pilot's visual perception which was affected by the outside ambient lighting…NTSB BFO94FA013Accident · 3 fatalField investigationFinal reportBell 206L-1 · Portland, METhe pilot's continued VFR flight into instrument meteorological conditions, and his failure to assure that adequate fuel was available to complete the flight, resulting in a loss of engine power due to fuel exhaustion. Factors which contributed to the…NTSB DEN93LA060Accident · Minor injuriesLimited investigationFinal reportBell 206L-1 · Mead, COA failure by the pilot in command to compensate for wind conditions and maintain control of the helicopter. A factor was: unfavorable wind conditions.