Rolls-Royce 250-C20B
NTSB investigations · 73
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 ('54385')
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 ('54385')
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 CEN26LA264Accident · Serious injuriesClass 4 · LimitedInvestigation openBell 206B · Saint Joseph, ILNTSB WPR26LA188Accident · Minor injuriesClass 4 · LimitedFinal reportMcdonnell Douglas Helicopter 500 · Twin Falls, IDThe pilot’s failure to maintain control while hovering in gusty wind conditions, resulting in the helicopter rolling onto its side.NTSB ERA26LA097Accident · No injuriesClass 3 · LimitedPreliminary reportHughes 369 · North Augusta, SCOn January 22, 2026, at 1600 eastern standard time, a Hughes 369D, N105AC, was substantially damaged when it was involved in an accident near North Augusta, South Carolina. The pilot was not injured. The helicopter was operated as a Title 14 Code of Federal…NTSB ERA25LA338Accident · Serious injuriesClass 3 · LimitedPreliminary reportBell 206 · Monroe, GAOn September 10, 2025, about 1100 eastern daylight time, a Bell 206, N992MR, was destroyed when it was involved in an accident near Monroe, Geogia. The flight instructor and student pilot were seriously injured. The helicopter was operated as a Title 14 Code…NTSB CEN25LA292Accident · No injuriesClass 4 · LimitedFinal reportBell 206B · North Bend, NEThe pilot’s failure to maintain clearance from wires while maneuvering at a low altitude, and the ground crew failure to inform the pilot that the support truck had been moved.NTSB WPR25FA190Accident · 1 fatalClass 3 · FieldPreliminary reportMD Helicopters 369E · Meeker, COOn June 25, 2025, about 1001 mountain daylight time, an MD Helicopters 369E, N411WJ, was substantially damaged when it was involved in an accident near Meeker, Colorado. The pilot was fatally injured. The helicopter was operated as a Title 14 Code of Federal…NTSB CEN24LA358Accident · No injuriesClass 3 · LimitedFinal reportHughes 369 · Canton, MIFatigue cracking of the main rotor blade that occurred at an undetermined time.NTSB CEN24LA276Accident · No injuriesClass 4 · LimitedFinal reportBell 206 · Cornland, ILThe pilot was unable to see a wire due to the setting sun and the helicopter subsequently struck the wire.NTSB WPR24LA243Accident · No injuriesClass 3 · LimitedFinal reportMcdonnell Douglas Helicopter 369E · Cottonwood, AZThe pilot’s low-speed, high-power maneuvering in high density altitude and near maximum gross weight, which resulted in an uncommanded right yaw due to a loss of tail rotor effectiveness and a subsequent hard landing.NTSB ANC24LA017Accident · Serious injuriesClass 3 · LimitedFinal reportMD Helicopter 369E/500E · Kekaha, HIMaintenance personnel’s noncompliance with maintenance manual procedures that required the removal of the overrunning clutch output bearing during the regreasing procedure, which resulted in inadequate regreasing of the bearing and the subsequent failure of…NTSB ANC24LA016Accident · No injuriesClass 4 · LimitedFinal reportHughes 369D · Hana, HIThe pilot’s failure to ensure the passenger’s gear was properly secured before departure.NTSB ERA23LA326Accident · Serious injuriesClass 4 · LimitedFinal reportHughes 369 · Elberon, VAThe pilot’s failure to maintain clearance from a power line structure arm, which resulted in main rotor blade contact.NTSB CEN23LA342Accident · 1 fatalClass 4 · LimitedFinal reportBell 206B · Denison, IAThe pilot’s inflight distraction, which resulted in his failure to see and avoid wires.NTSB CEN23LA308Accident · No injuriesClass 4 · LimitedFinal reportHughes 369D · Atchison, KSThe pilot’s failure to adequately survey a field for obstructions prior to a low-level aerial application pass, which resulted in an impact with a powerline.NTSB ERA23LA295Accident · No injuriesClass 4 · LimitedFinal reportBell Helicopter Textron 206B · Sandersville, GAThe pilot’s failure to maintain clearance of trees during landing, which resulted in a tail rotor contact with tree limbs and a subsequent loss of control.NTSB WPR23LA063Accident · No injuriesClass 4 · LimitedFinal reportHughes 369D · La Sal, UTThe pilot’s failure to maintain clearance from terrain during a toe-in landing to sloping terrain which resulted in a loss of helicopter control.NTSB ERA22LA192Accident · No injuriesClass 4 · LimitedFinal reportBell Helicopter Textron 206B · Cedar Key, FLThe pilot’s improper fuel planning during agricultural spraying operations, which resulted in fuel starvation, a loss of engine power, and a hard landing following an autorotation.NTSB WPR22LA078Accident · No injuriesClass 4 · LimitedFinal reportHughes 369D · Strawberry, AZThe pilot’s failure to maintain clearance from a static wire during approach.NTSB WPR21LA354Accident · No injuriesClass 3 · LimitedFinal reportHiller UH-12E · Bovill, IDA loss of helicopter control for undetermined reasons based on the available evidence for this accident.NTSB ANC21LA083Accident · Minor injuriesClass 4 · LimitedFinal reportMcdonnell Douglas Helicopter 369E · Delta Junction, AKThe pilot’s inability to maintain lateral control during the takeoff, which resulted in dynamic rollover. Contributing to the accident was the pilot’s decision to utilize an unsuitable landing area for flight operations.NTSB ANC21LA003Accident · No injuriesClass 3 · LimitedFinal reportHughes 369 · Honolulu, HIA partial loss of engine power due to an obstructed fuel line as a result of the separation of the circlip from the pin used on the fuel start pump. The reason for the circlip separation could not be determined based on the available evidence.NTSB CEN20CA334Accident · No injuriesClass 4 · Data collectionFinal reportHughes 369 · Delia, KSForeign object damage sustained to the main rotor blades due to aerial tree trimming.NTSB CEN20LA167Accident · 1 fatalClass 3 · LimitedFinal reportMD Helicopter 369 · Houston, TXAn uncommanded right yaw that occurred for reasons that could not be determined based on the available evidence, which resulted in a loss control.NTSB CEN19LA207Accident · Minor injuriesClass 3 · LimitedFinal reportMd Helicopter 369 · Houston, TXThe loss of control upon landing for undetermined reasons.NTSB GAA19CA278Accident · Minor injuriesData collectionFinal reportBell 206 · Pittsfield, ILThe pilot's failure to maintain clearance from rising terrain during agricultural application operations.NTSB WPR19LA122Accident · No injuriesClass 3 · LimitedFinal reportBell 206 · Oakridge, ORA total loss of engine power following the failure of a 3rd stage turbine blade due to low- and high-cycle fatigue.NTSB WPR19FA109Accident · 2 fatalClass 3 · FieldFinal reportBell 206 · Fort McDowell, AZThe separation of the main rotor head from the mast as a result of a sudden displacement of the cyclic stick during a low-G maneuver, leading to mast bumping. Contributing to the accident were the unsecure positioning of the flight test engineer’s laptop…NTSB ERA19FA118Accident · 1 fatalClass 3 · FieldFinal reportHughes 369 · Talking Rock, GAA fatigue failure of the overrunning clutch subassembly due to abnormal bending loads due to cracks on the center engine mount, which resulted in an inflight loss of power. Contributing to the accident was the helicopter's low altitude and airspeed when the…NTSB GAA18CA506Accident · No injuriesData collectionFinal reportHughes 369 · Ridgeway, PAThe pilot's failure to maintain clearance from power lines during an aerial observation flight.NTSB WPR18LA221Accident · No injuriesClass 2 · LimitedFinal reportHughes 369 · Honolulu, HIThe operator's improper installation of the tail rotor (TR) teeter bearings, which resulted in cascading in-flight failures of the TR components and attach hardware.NTSB WPR18FA188Accident · 2 fatalField investigationFinal reportHughes 369 · MajuroThe pilot's failure to maintain clearance above the surface of the ocean.NTSB CEN18FA182Accident · 1 fatalField investigationFinal reportMD Helicopter 369D · Luling, LAThe pilot's failure to maintain clearance from the powerline structure while hovering, which resulted in an inadvertent collision with the structure and an uncontrolled descent into terrain.NTSB GAA18CA249Accident · No injuriesData collectionFinal reportHughes 369 · Newark, OHThe pilot’s failure to maintain adequate clearance from transmission power wires, which resulted in a tail rotor strike.NTSB CEN18LA121Accident · Serious injuriesLimited investigationFinal reportHughes 369D · Blair, WIThe pilot’s failure to recognize and compensate for hazards during the external load operation, which led to a collision between a lineman (external load) and a powerline.NTSB WPR17LA113Accident · Serious injuriesLimited investigationFinal reportBell 206B · Rockville, IDThe in-flight failure of the engine-to-transmission drive shaft due to a fatigue fracture of one of the KAflex flex frames caused by a loose bolt, which resulted in a total loss of engine power and a subsequent hard landing.NTSB WPR17LA071Accident · No injuriesLimited investigationFinal reportBell 206B · Firebaugh, CAA total loss of engine power due to fuel exhaustion. Contributing to the accident was the improper calibration of the fuel quantity gauge, which led the pilot to believe that there was adequate fuel onboard.NTSB GAA16CA480Accident · No injuriesData collectionFinal reportHughes 369 · Peach Orchard, MOThe helicopter pilot’s failure to maintain sufficient separation between the main rotor blade and a power line during line guard installation, which resulted in an electrical arc to the main rotor.NTSB GAA16CA405Accident · Minor injuriesData collectionFinal reportBell 206 · Outlook, WAThe pilot and ground crew's failure to visually inspect the helicopter's skids before takeoff, which resulted in a water hose becoming entangled on the right skid, a loss of control, an impact with terrain, and a post-crash fire.NTSB GAA16CA168Accident · No injuriesData collectionFinal reportHughes 369 · Jamestown, NDThe pilot's excessive descent rate while flaring during a practice autorotation with a power recovery, which resulted in an impact with terrain.NTSB WPR16LA021Accident · No injuriesLimited investigationFinal reportMD Helicopter 369D · Sedro-Woolley, WAThe loss of engine power due to fuel starvation as a result of naphthenate fuel contamination, which blocked the fuel flow through the start pump.NTSB WPR16LA020Accident · Minor injuriesLimited investigationFinal reportBell 206B · Dallas, ORA loss of engine power for reasons that could not be determined based on the available information.NTSB CEN14LA398Accident · Serious injuriesLimited investigationFinal reportHughes 369D · West Liberty, OHA total loss of engine power, which resulted from fuel exhaustion due to the pilot’s failure to adequately monitor the fuel quantity during the flight.NTSB CEN14LA390Accident · No injuriesLimited investigationFinal reportBell 206B · Bennet, NEA total loss of engine power due to fuel contamination, which resulted from the pilot’s inadequate preflight inspection. Contributing to the accident was the operator’s failure to properly maintain the fuel storage tank.NTSB WPR14CA319Accident · No injuriesData collectionFinal reportBell 206B · Salinas, CAThe pilot's failure to ensure adequate clearance from ground obstacles during takeoff which resulted in loss of aircraft control.NTSB ANC13LA074Accident · No injuriesClass 3 · LimitedFinal reportHughes 500D · Delta Junction, AKA total loss of engine power for undetermined reasons, which necessitated an emergency hovering autorotation, during which the helicopter impacted trees and terrain.NTSB CEN13WA329Accident · 4 fatalForeign investigationBell 206B · San Luis Potosí, MexicoNTSB CEN13LA378Accident · No injuriesLimited investigationFinal reportBell 206B · St Louis, MOThe loss of engine power due to the separation of compressor blades, which resulted from fatigue cracking.NTSB WPR13CA204Accident · No injuriesData collectionFinal reportBell 206B · Wells, NVThe pilot's failure to maintain clearance from an obstacle while maneuvering at a low altitude.NTSB CEN13LA158Accident · No injuriesLimited investigationFinal reportBell 206B III · Ponderosa, NMA total loss of engine power for reasons that could not be determined because the postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.NTSB WPR13FA080Accident · 1 fatalField investigationFinal reportBell 206 · Delano, CAThe pilot's failure to maintain helicopter control due to spatial disorientation while maneuvering in low visibility, dark night conditions.
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