Rolls-Royce 250-C47B
NTSB investigations · 43
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 ('54585')
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 ('54585')
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 ERA26FA309Accident · 1 fatalClass 3 · FieldPreliminary reportBell Helicopter Textron Canada 407 · Carlisle, PAOn August 19, 2026, at 1852 eastern daylight time, a Bell Helicopter Textron Canada 407, N873ST, and a Cessna 150H airplane, N23330, collided in flight near Carlisle, Pennsylvania. The two commercial pilots onboard the helicopter were seriously injured, and…NTSB CEN26LA185Accident · No injuriesClass 3 · LimitedFinal reportBell 407 · Dallas, TXThe pilot’s failure to maintain situational awareness and clearance from the helipad surveillance camera during liftoff.NTSB WPR26LA172Accident · No injuriesClass 4 · LimitedFinal reportBell 407 · Young, AZThe pilot’s failure to maintain clearance from a tree stump during landing in mountainous terrain.NTSB ERA26LA170Accident · No injuriesClass 4 · LimitedFinal reportBell 407 · Jacksonville, FLThe pilot’s improper recovery from a practice autorotation, which resulted in a hard landing. Contributing to the accident was the flight instructor’s inadequate supervision of the pilot receiving the instruction.NTSB WPR26LA099Accident · No injuriesClass 4 · LimitedFinal reportBell Helicopter Textron Canada BHT407 · Libby, MTThe pilot's failure to maintain clearance from a light post during landing.NTSB WPR26FA098Accident · 2 fatalClass 3 · FieldPreliminary reportBell 407 · Flagstaff, AZOn February 4, 2026, at 2216 mountain standard time, a Bell 407 helicopter, N56AZ, was substantially damaged when it was involved in an accident near Flagstaff, Arizona. The pilot and tactical flight officer (TFO) were fatally injured. The helicopter was…NTSB ENG24LA028Incident · No injuriesClass 3 · LimitedFinal reportBell 407 · Oktaha, OKThe loss of engine power due to high cycle fatigue failure of a power turbine stage 3 turbine wheel blade. The resulting engine imbalance caused a decoupling of the gas producer stage 1 and stage 2 turbine wheels leading to a stage 1 turbine overspeed and…NTSB CEN24LA143Accident · No injuriesClass 4 · LimitedFinal reportBell Helicopter Textron Canada 407 · Moran, KSAn in-flight collision with birds while in cruise flight.NTSB ERA24LA045Accident · No injuriesClass 4 · LimitedFinal reportBell 407 · Chesterfield, VAA hard landing, which resulted in a main rotor strike of the left vertical stablizer.NTSB ERA24FA003Accident · 1 fatalClass 3 · FieldFinal reportBell Helicopter Textron Canada 407 · Croydon, NHThe pilot’s loss of control during the initial climb in dark night conditions due to spatial disorientation, which resulted in a steep banking descent into trees and terrain. Contributing to the accident was the pilot’s lack of recent night flight experience,…NTSB ERA23LA319Accident · Minor injuriesClass 3 · LimitedFinal reportBell Helicopter Textron Canada 407 · North Charleston, SCA failure of the tail rotor pitch change lever assembly due to incorrectly installed bolts and maintenance personnel’s inadequate inspection of the tail rotor control system.NTSB CEN23FA071Accident · 4 fatalClass 3 · FieldFinal reportBell 407 · Galliano, LAThe pilot’s failure to ensure the helicopter was clear of obstacles before takeoff from the helideck, which resulted in the helicopter’s right landing skid pivoting about a helideck perimeter light during takeoff and a dynamic rollover. Additionally, the…NTSB CEN23LA053Accident · No injuriesClass 4 · LimitedFinal reportBell 407 · Searcy, ARThe pilot’s failure to maintain clearance from the electrical box while repositioning.NTSB ERA22FA257Accident · Serious injuriesClass 3 · FieldFinal reportBell Helicopter Textron Canada 407 · Fairfield, NJThe failure of maintenance personnel to properly secure the tail rotor crosshead drive plate and the failure of maintenance personnel, the maintenance pilot, and the accident pilot to detect the error, which led to the helicopter’s loss of tail rotor…NTSB WPR22LA174Accident · Serious injuriesClass 3 · LimitedFinal reportBell Helicopter Textron Canada 407 · Livermore, CALoss of engine power due to the pilot inadvertently selecting engine IDLE mode while in flight, which reduced rotor and engine speed to a level that could not sustain flight.NTSB CEN21LA456Accident · No injuriesClass 4 · LimitedFinal reportBell 407 · Patterson, LAThe pilot’s failure to maintain adequate clearance from a parked helicopter while hovering to reposition for takeoff.NTSB ERA21LA264Accident · No injuriesClass 4 · LimitedFinal reportBell 407 · Tampa, FLThe pilot’s improper landing flare while making a power off practice autorotative landing. Contributing was the decreased visual cues provided by the recently paved runway during the night landing conducted with the aid of night vision goggles.NTSB CEN20CA395Accident · No injuriesClass 4 · Data collectionFinal reportBell 407 · Fort Worth, TXThe flight instructor’s delay in rolling the throttle to the fly position during a practice autorotation maneuver that resulted in a hard landing.NTSB CEN20WA246Accident · No injuriesForeign investigationBell 407 · Long Marston, United KingdomThe government of the United Kingdom has notified the NTSB of an accident involving a Bell 407 helicopter that occurred on June 24, 2020. The NTSB has appointed a U.S. Accredited Representative to assist the government of the United Kingdom's investigation…NTSB CEN19LA092Accident · Minor injuriesLimited investigationFinal reportBell 407 · Union Center, SDThe ambulance driver’s failure to see the helicopter’s rotating main rotor blades in dark night conditions, which resulted in the ambulance’s inadvertent collision with the helicopter. Contributing to the accident was the ambulance driver's failure to follow…NTSB CEN19FA072Accident · 3 fatalClass 1 · FieldFinal reportBell 407 · Zaleski, OHThe NTSB determines that the probable cause of this accident was Survival Flight's inadequate management of safety, which normalized pilots' and operations control specialists' noncompliance with risk analysis procedures and resulted in the initiation of the…NTSB CEN18CA072Accident · No injuriesData collectionFinal reportBell Helicopter Textron Canada 407 · Norfolk, NEMaintenance personnel’s failure to properly secure the tail rotor drive shaft cover, which resulted in the cover departing the helicopter in flight.NTSB CEN18FA033Accident · 3 fatalField investigationFinal reportBell Helicopter Textron Canada 407 · Stuttgart, ARAn in-flight loss of control due to bird strikes.NTSB CEN17LA188Accident · No injuriesLimited investigationFinal reportBell 407 · Fort Worth, TXThe flight instructor's failure to prevent the engine/rotor overspeed condition during the demonstration maneuver and the excessive descent rate during the emergency landing, which resulted in a hard landing. Contributing to the engine/rotor overspeed…NTSB ERA16FA248Accident · 1 fatalField investigationFinal reportBell Helicopter Textron Canada 407 · Hickory, KYCompany maintenance personnel's inappropriate removal without replacement of the safety wires on the collective lever pin screws during a recent maintenance inspection, which resulted in the screws backing out and led to a loss of collective control in flight.NTSB GAA16CA039Accident · No injuriesData collectionFinal reportBell 407 · Cameron, LAThe pilot's failure to remove a main rotor blade tiedown, which resulted in substantial damage to a main rotor blade when the engine was started.NTSB CEN13FA122Accident · 3 fatalField investigationFinal reportBell Helicopter 407 · Clear Lake, IAThe pilot’s inadvertent encounter with localized icing conditions and his subsequent in-flight loss of helicopter control.NTSB WPR13TA081Accident · No injuriesFinal reportBell Helicopter Textron Canada 407 · Renton, WAThe pilot's failure to maintain helicopter control during takeoff from an unstable landing platform. Contributing to the accident was the operator's inadequate chocking procedures for the wheeled landing platform, which included chocking only two of the…NTSB CEN13CA114Accident · No injuriesData collectionFinal reportBell 407 · McAllen, TXThe pilot’s failure to maintain clearance with a parked helicopter during takeoff.NTSB WPR13IA059Incident · No injuriesIncident investigationFinal reportBell 407 · Riverton, WYThe pilot’s failure to maintain sufficient altitude to clear power lines while maneuvering at low altitude. Contributing to the accident was the pilot’s failure to follow company operating specifications for minimum altitude.NTSB ERA13FA014Accident · 2 fatalField investigationFinal reportBell 407 · Coolbaugh Township, PAThe pilot’s decision to continue visual flight rules flight into instrument meteorological conditions due to self-imposed pressure to complete the trip, which resulted in impact with trees and terrain.NTSB CEN12IA518Incident · No injuriesIncident investigationFinal reportBell 407 · San Antonio, TXThe pilot’s failure to maintain clearance from a tower guy wire during the approach to a helipad at night.NTSB ERA12TA251Accident · Minor injuriesFinal reportBell 407 · Delray Beach, FLThe pilot’s improper response to a simulated engine failure and the instructor’s delayed and improper remedial action.NTSB WPR12GA106Accident · 1 fatalFinal reportBell 407 · Moran Junction, WYThe pilot’s failure to maintain yaw control while hovering at high density altitude, which resulted in a loss of tail rotor effectiveness.NTSB CEN12IA096Incident · No injuriesIncident investigationFinal reportBell Helicopter Textron Canada 407 · Gulf Of MexicoThe failure of the compressor section No. 2 bearing due to false brinnelling and fatigue.NTSB WPR11LA056Accident · No injuriesLimited investigationFinal reportBell 407 · Riverdale, UTThe pilot's failure to maintain clearance from a highway marker sign while maneuvering.NTSB ERA10IA459Incident · No injuriesIncident investigationFinal reportBell Helicopter Textron Canada 407 · Marion, VAThe cardiac impairment of the pilot during a positioning flight.NTSB OPS10IA132Incident · No injuriesIncident investigationFinal reportBell 407 · Houston, TXThe failure of the local controller to issue control instructions necessary to ensure positive control/standard separation of traffic operating within the Class B airspace.NTSB CEN09CA604Accident · No injuriesData collectionFinal reportBell 407 · Fort Worth, TXFailure of the pilot to maintain control during landing.NTSB CEN09CA203Accident · No injuriesData collectionFinal reportBell 407 · Lancaster, TXThe failure of the pilot to maintain adequate main rotor rpm and the failure of the CFI to provide appropriate instruction during the maneuver.NTSB DEN08FA101Accident · 4 fatalField investigationFinal reportBell 407 · Huntsville, TXThe pilot's failure to identify and arrest the helicopter's descent, which resulted in its impact with terrain. Contributing to the accident was the limited outside visual reference due to the dark night conditions.NTSB DFW07IA184Incident · Minor injuriesIncident investigationFinal reportBell 407 · Gulf of MexicoFatigue failure of the power turbine outer shaft for undetermined reasons.NTSB FTW04FA097Accident · 4 fatalField investigationFinal reportBell 407 · Pyote, TXThe pilot's inadvertent encounter with adverse weather, which resulted in the pilot failing to maintain terrain clearance. Contributing factors were the dark night conditions, the pilot's inadequate preflight preparation and planning, and the pressure to…
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