Allison 250 series
NTSB investigations · 89
Matched to the registry by N-number and event date, newest first.
Query with SQL
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_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c.\"mKey\" = a.case_mkey
WHERE a.engine_model_code IN ('03014', '03019')
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_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = a.case_mkey
WHERE a.engine_model_code IN ('03014', '03019')
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 ERA25LA137Accident · Serious injuriesClass 3 · LimitedFinal reportBeech A36TC · Lititz, PAThe pilot’s failure to maintain adequate airspeed after takeoff due to his distraction by the opening of the cabin door, which resulted in an exceedance of the airplane’s critical angle of attack and an aerodynamic stall/mush condition at too low of an…NTSB WPR24LA093Accident · Minor injuriesClass 3 · LimitedFinal reportBell 47G-3B-1 · Garey, CAMaintenance personnel’s failure to properly check the torque paint on a fuel control unit B-nut, which resulted in the loosening of the B-nut, a loss of engine power at a low altitude, and a subsequent impact with terrain.NTSB ERA21LA016Accident · Minor injuriesClass 4 · LimitedFinal reportEnstrom 480 · Woodstock, CTThe pilot’s failure to maintain control of the helicopter while attempting to land on a trailer in gusting wind conditions, which resulted in a dynamic rollover.NTSB WPR20LA224Accident · 1 fatalClass 3 · LimitedFinal reportHiller UH 12D · Mehama, ORAn in-flight separation of a tail rotor blade due to fatigue cracking and overstress, which resulted in a loss of directional control and subsequent ground impact.NTSB ENG20WA035Accident · Serious injuriesForeign investigationCessna P210 · Moruya, AustraliaNTSB CEN19TA280Accident · Serious injuriesClass 3Final reportBell 47G · Montrose, COA loss of engine power due to fuel starvation, which resulted from attitude-induced unporting of the fuel.NTSB GAA19CA261Accident · No injuriesData collectionFinal reportSiai-Marchetti SM · Belgrade, MTThe pilot receiving instruction's overapplication of rudder during the landing roll and his subsequent failure to maintain directional control, which resulted in a ground loop.NTSB WPR19LA028Accident · No injuriesClass 3 · LimitedFinal reportBell 430 · Kailua, HIThe separation of one of the tail rotors blades’ root enclosures due to improper repair.NTSB CEN16LA335Accident · Serious injuriesLimited investigationFinal reportCessna U206G · Cave-In-Rock, ILA total loss of engine power due to air entering the fuel system for reasons that could not be determined based on available information. Contributing to the accident was the pilot’s inability to restart the engine due to the check valve assembly design.NTSB CEN16LA330Accident · Minor injuriesLimited investigationFinal reportHiller UH 12D · Cokeville, WYFailure of the control rotor cuff due to fatigue.NTSB GAA16CA293Accident · No injuriesData collectionFinal reportBell 47G · Hastings, MNThe pilot's failure to attain a positive rate of climb during takeoff from a service truck, which resulted in an impact with terrain and substantial damage to the tail boom and fuselage.NTSB CEN15LA288Accident · Serious injuriesLimited investigationFinal reportBell 407 - NO Series · South Timbalier 127The pilot's lack of awareness of the severity of the gusting winds, which led to the helicopter being pushed off of the oil platform by a wind gust during engine start. Contributing to the accident was the unavailability of a nearby weather monitoring system.NTSB ERA14LA361Accident · No injuriesLimited investigationFinal reportHiller UH 12E · Wadesboro, NCA partial loss of engine power due to the failure of the No. 2 engine accessory gearbox bearing for reasons that could not be determined based on the available information.NTSB WPR14CA280Accident · No injuriesData collectionFinal reportBell 47G · Gaston, ORThe pilot's inability to maintain control of the helicopter as a result of a hydraulic hose becoming entangled around the right skid.NTSB CEN13WA156Accident · 5 fatalForeign investigationCessna P210N · Charloeri, BelgiumOn February 9, 2013, about 0840 hours universal coordinated time, a Cessna P210N, United States registration N240PW, impacted terrain after takeoff from the Brussels South -- Charleroi Airport (EBCI), Charleroi, Belgium. The intended destination was Lyon,…NTSB ERA12FA527Accident · 1 fatalField investigationFinal reportBell 407 · Abingdon, VAThe pilot's improper decision to make a low-level departure over water in dark night conditions without lights, which resulted in controlled flight into the water. Contributing to the accident was the pilot's likely spatial disorientation due to a vestibular…NTSB WPR12LA347Accident · Minor injuriesLimited investigationFinal reportHiller UH-12D · Deer Island, ORA loss of helicopter control while maneuvering at low altitude for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.NTSB WPR11LA379Accident · No injuriesLimited investigationFinal reportBell 47G-3B-2 · Los Banos, CAThe pilot’s inadequate preflight, and contamination of both the engine compressor section and the main rotor blades, which resulted in reduced performance of the engine and rotor system.NTSB WPR10CA470Accident · No injuriesData collectionFinal reportBell 47G · Gaston, ORThe pilot's failure to maintain tail rotor clearance while landing on a transport trailer positioned on an uneven surface.NTSB WPR10FA440Accident · 3 fatalField investigationFinal reportHiller UH 12E · Kamiah, IDIn-flight impact of a passenger's metal clipboard with the helicopter’s tail rotor, which resulted in destruction of the tail rotor and subsequent loss of control of the helicopter. The original location of the clipboard and how it became free could not be…NTSB ERA10LA383Accident · Serious injuriesLimited investigationFinal reportHiller UH-12E · Holly Hill, SCMaintenance personnel's improper inspection and cleaning of the fuel nozzle, which resulted in a total loss of engine power.NTSB WPR09CA331Accident · Minor injuriesData collectionFinal reportBell 47G-3B-2 · Ocean Shores, WAThe pilot's failure to maintain clearance from the water while maneuvering due to the pilot's diverted attention.NTSB WPR09LA069Accident · 1 fatalLimited investigationFinal reportHughes 369 · Honiara, Solomon IslandsThe pilot's failure to remove the tail rotor pedal lock before attempting flight, resulting in a loss of control.NTSB NYC08LA318Accident · No injuriesLimited investigationFinal reportHiller UH-12E · Naruna, VAThe fatigue failure of a main rotor blade drag strut.NTSB CHI07LA277Accident · Minor injuriesLimited investigationFinal reportBell 47G-5A · Anoka, MNThe loss of helicopter pitch control for undetermined reasons during the aerial application maneuver and the pilot's inability to control the aircraft during the descent.. A contributing factor to the accident was the soft terrain.NTSB ANC07LA062Accident · No injuriesLimited investigationFinal reportHiller UH-12E · Skwentna, AKThe pilot's failure to maintain clearance from a glacier, which resulted in a tail rotor strike during landing, and damage to the helicopter during an emergency descent/landing on rough/uneven terrain. Factors contributing to the accident were variable and…NTSB CHI06CA242Accident · No injuriesData collectionFinal reportBell 47G-5 · Sanborn, NDThe pilot's failure to maintain clearance from the power lines during the aerial application flight. The power lines were a factor.NTSB DFW05CA208Accident · Serious injuriesData collectionFinal reportHiller UH-12E · Hampton, ARA loss of engine power due to fuel exhaustion as a result of the pilot's failure to refuel. A factor was unsuitable terrain to complete a successful autorotation.NTSB IAD05LA080Accident · 2 fatalLimited investigationFinal reportNavickas Load Runner 2000 · Hammonton, NJThe pilot's inadequate in-flight decision, which resulted in fuel exhaustion and subsequent loss of engine power. A factor was the wooded area, into which, the pilot had to autorotate.NTSB SEA05FA004Accident · No injuriesField investigationFinal reportMaule MT-7-420 · Bend, ORLoss of engine power during takeoff climb for undetermined reasons. Rough terrain was a factor.NTSB NYC03FA095Accident · 1 fatalField investigationFinal reportBeech A36 · Farmingdale, NJThe pilot's delayed decision to refuel, which resulted in fuel exhaustion and the subsequent loss of engine power.NTSB ANC02LA081Accident · No injuriesLimited investigationFinal reportMBB BO-105S · Deadhorse, AKThe pilot's failure to correct a settling-with-power condition during a helicopter landing flare/touchdown, resulting in a hard landing and roll over.NTSB ATL02WA120Accident · No injuriesForeign investigationCessna P210N · Treasure Cay, BahamasNTSB IAD01FA066Accident · 1 fatalField investigationFinal reportHughes 369A · Perry, WVThe pilot's continued VFR flight into instrument meteorological conditions, and his failure to maintain terrain clearance. A contributing factor was mountainous terrain.NTSB MIA01LA055Accident · No injuriesLimited investigationFinal reportHiller UH-12E · Cleveland, TNThe PIC's failure to follow safe operating procedures for the maintenance of the rotorcraft's external aerial application equipment, resulting in inadvertent activation of collective as he egressed the rotorcraft, causing unmanned flight, in-flight break-up,…NTSB NYC00LA157Accident · Minor injuriesLimited investigationFinal reportSiai-Marchetti SF260TP · Norfolk, VAFuel starvation of the engine, caused by the failure of the fuel transfer pump.NTSB ATL00LA043Accident · No injuriesLimited investigationFinal reportHiller UH-12ET · Stonesboro, SCThe pilot's improper inflight decision not to refuel which resulted in fuel exhaustion and a total loss of engine power.NTSB SEA99LA031Accident · Serious injuriesLimited investigationFinal reportHiller UH-12E · Tensed, IDThe pilot-in-command's inadequate fuel management which resulted in fuel exhaustion. Contributing factors were the absence of cautionary markings on the fuel gauge, and high trees at the accident site.NTSB ATL99LA036Accident · No injuriesLimited investigationFinal reportBell 47G-3B-2 · Murfreesboro, TNThe pilot's inadequate flare and his diverted attention, which resulted in a hard landing.NTSB CHI98LA339Accident · No injuriesLimited investigationFinal reportEnstrom 480 · Green Bay, WIthe pilot's failure to maintain adequate rotor rpm during a practice autorotation.NTSB CHI98FA313Accident · 1 fatalField investigationFinal reportHiller FH-1100 · Dewitt, MIThe rotor failure/malfunction due to debonding of the tail rotor blade. Also causal was the inadequate maintenance inspection of the aircraft by the company and the improper maintenance procedure by other maintenance personnel.NTSB IAD97WA088Accident · No injuriesForeign investigationBeech A-36 · Lebury, United KingdomNTSB SEA97TA023Accident · 1 fatalFinal reportBell 47G-3B-1 · Fillmore, UTinadequate procedure and inadequate monitoring by the pilot, the operator, and/or other personnel, which allowed one of three external cables to the seed bucket to become entangled with the right skid of the helicopter, resulting in an imbalance and loss of…NTSB MIA96LA210Accident · 1 fatalLimited investigationFinal reportBell 47G-4A · Adel, GAthe pilot's misjudgment of clearance between the helicopter and the antenna. A factor relating to the accident was the pilot's use of a drug (medication) that had sedative effects.NTSB SEA94LA149Accident · Minor injuriesLimited investigationFinal reportHiller-Soloy UH-12L4 · Clarkston, WADisconnection of the ballast bar aft retaining pin. Factor(s) were: tail rotor blade separation and reduced aircraft control.NTSB SEA94LA039Accident · No injuriesLimited investigationFinal reportHiller-Soloy UH-12D · Sublimity, ORFuel exhaustion due to inadequate preflight and refueling not acomplished.NTSB SEA94LA037Accident · No injuriesLimited investigationFinal reportHiller UH-12D · Sublimity, ORThe pilot's failure to maintain clearance from unmarked transmission wires. Factors include the pilot's inadequate visual lookout, and unmarked wires in the area of operation.NTSB LAX94LA054Accident · Minor injuriesLimited investigationFinal reportHiller UH-12E · Salinas, CAa fatigue failure of the torsion-tension bar pin due to fretting corrosion. A factor in this accident was an inadequate quality of material utilized in the manufacture of the pin.NTSB SEA94LA029Accident · No injuriesLimited investigationFinal reportBell 47G3B2 · Toledo, WATransmission shear bolts failed causing a loss of power to the rotor system, and the pilot encountered unsuitable terrain during his autorotation attempt.NTSB MIA92LA014Accident · No injuriesLimited investigationFinal reportBell 47G-5 · La Belle, FLThe pilot in command's improper aft application of cyclic control during an autorotative landing to an open field, resulting in the main rotor blades colliding with the tail boom. Contributing to the accident was the in flight failure of the outer bearing of…
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