- Manufacturer (registry)
- ROLLS-ROYC
- Model
- 250 20&30 SER
- Registry code
- 54584
- Installed in
- 29 registered aircraft
- Type
- Turbo-shaft
- Power
- 420 hp
The registry names only the engine series, so ADs for every model in the series are matched.
On this page
Airworthiness directives that may apply · 0
ADs whose products match this engine model. Each AD’s applicability may narrow it by serial number, part number or configuration.
No ADs matched this model
Registered aircraft · 29
N10XVHelicopters Inc · Wilmington, DEN11TVHelicopters Inc · Cahokia, ILN131WMWestwind Helicopters Inc · Santa Fe, TX
See all 29 registered aircraftQuery with SQL
duckdb -csv -c "SELECT n_number, serial_number, year_manufactured, status, registrant_name, registrant_city, registrant_state
FROM 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet'
WHERE engine_model_code IN ('54584')
ORDER BY n_number"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 n_number, serial_number, year_manufactured, status, registrant_name, registrant_city, registrant_state
FROM 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet'
WHERE engine_model_code IN ('54584')
ORDER BY n_numberRun 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 investigations · 14
Aircraft matched to this engine model through the registry, by N-number and event date, checked against the reported serial number, make and model.
Of 13 cases NTSB coded with a defining event. All defining events
Findings NTSB made part of the probable cause. A case can have several. All findings
NTSB ERA25MA171Accident · 6 fatalClass 2 · MajorPreliminary reportBell 206L-4 · Jersey City, NJOn April 10, 2025, about 1515 eastern daylight time, a Bell 206L-4 helicopter, N216MH, was destroyed when it was involved in an accident near Jersey City, New Jersey. The pilot and five passengers were fatally injured. The helicopter was operated as a Title…NTSB WPR24FA132Accident · 1 fatalClass 3 · FieldFinal reportBell 206-L4 · Anaconda, MTA total loss of engine power due to a loss of cooling oil to the turbine-to-compressor coupling shaft and subsequent fracture of the shaft at an altitude too low for the pilot to complete a successful autorotation. Contributing to the accident was carbon…NTSB ERA21LA275Accident · Minor injuriesClass 3 · LimitedFinal reportBell 206 · Rome, NYThe pilot's improper termination of a practice autorotation with power recovery, which resulted in low rotor rpm, an unstable landing, and a rollover. Contributing to the accident was the evaluator's inadequate oversight.NTSB WPR18LA214Accident · Minor injuriesLimited investigationFinal reportBell 206 · Basin City, WAThe pilot's improper execution of a slowing and turning maneuver, which resulted in a loss of control at an altitude that was too low for recovery.NTSB ERA18LA192Accident · Minor injuriesClass 3 · LimitedFinal reportSchweizer 269D · Stewartstown, PAThe pilot's inability to maintain yaw control while transitioning to an out of ground effect hover due to a loss of tail rotor effectiveness.NTSB GAA16CA439Accident · No injuriesData collectionFinal reportBell 206 L4 · Broussard, LAThe pilot's failure to attain a proper touchdown point, which resulted in the helicopter sliding off the aft end of the transport dolly.NTSB WPR15FA072Accident · 2 fatalField investigationFinal reportBell 206 · Benson, AZThe pilot’s continued visual flight into instrument meteorological conditions which resulted in an inflight collision with terrain. Contributing to the accident was the pilot’s inadequate preflight planning, during which he failed to identify forecasted…NTSB WPR14LA374Accident · No injuriesLimited investigationFinal reportBell 206 · Tombstone, AZA partial loss of engine power during cruise flight due to loose “B” nut fittings and a bent tube as a result of maintenance personnel’s inadequate inspection of the nuts during the most recent inspection.NTSB WPR14LA008Accident · 1 fatalLimited investigationFinal reportMcdonnell Douglas Heli 369 · Paducah, TXThe pilot’s failure to maintain clearance from a power transmission line tower while maneuvering to pick up a rope in gusting wind conditions.NTSB ERA13GA046Accident · 2 fatalFinal reportHughes OH-6A · Atlanta, GAThe pilot's failure to maintain sufficient altitude during maneuvering flight, which resulted in his failure to see and avoid a power pole and wires.NTSB CEN10IA397Incident · No injuriesIncident investigationFinal reportBell 206 · Gulf of Mexico, LAImproper reassembly of the collective flight controls by maintenance personnel. Contributing to the incident were inadequate postmaintenance examinations by maintenance personnel and inadequate preflight inspections by two pilots.NTSB WPR09LA226Accident · No injuriesLimited investigationFinal reportMD Helicopter 369FF · Santa Clarita, CAThe pilot's failure to maintain clearance from the water while maneuvering at low altitude as a result of the helicopter's grappling hook temporarily becoming ensnared with an underwater obstruction.NTSB CEN09LA198Accident · No injuriesLimited investigationFinal reportBell 206 · Galliano, LAThe failure of the tail rotor driveshaft and coupling during engine start due to the mechanic's failure to properly reattach the tail rotor driveshaft and coupling during maintenance.NTSB NYC70D0121Accident · No injuriesClosedBell 206A · Banksville, NY
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 ('54584')
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 ('54584')
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.
FAA incident reports · 14
Matched to this engine model through the registry, by N-number and event date, checked against the reported make and model.
Accident 20240426004349ABell 206-L4 · Anaconda, MTOn April 26, 2024, at 0659 mountain daylight time, a Bell 206-L4, was destroyed when it was involved in an accident near Anaconda, Montana. The pilot was fatally injured. The helicopter was operated as a title 14 code of federal regulations part 137 aerial…Accident 20210629022199ABell 206B · Rome, NYOn 06/29/2021 during a CFRC135.293 competency check N134VG a Bell 206B serial number 1512 made a crash landing at griffiss international airport in Rome NY. While demonstrating a ?power failure and autorotation to a power recovery? Event, the aircraft…Accident 20180807010589ABell 206B · Mesa, WAPilot lifted off from loading area with 60 gallons water and 25 gallons of fuel. For cleanout run. Accelerated to 50 mph and ended run and reversed run ,in the left peddle check,the pilot settled with power, due to lack of forward speed, and timely control…Accident 20180714011209ASchweizer 269D Config A · Stewartstown, PA[privacy data omitted] Was flying N411HU a Schweizer 269D with one passenger at Shoestring Airport (0P2). After approach on runway 24 and near the intersection area of runways 24 and 33 the helicopter started spinning in a clockwise direction contacted the…Accident 20160818013349ABell 206-L4 · Broussard, LAAircraft made a landing approach with a heading of 35 degrees to it's intended landing zone. Two practice landing attempts were performed onto a nearby movable dolly with an aproach heading of 360 degrees. On the second attempt the aircraft landed short on…Accident 20141231023519ABell 206-L4 · Benson, AZHelicopter was on a positioning flight from the operator?s main base at geu in glendale AZ to fhu sierra vista municipal airport when it impacted the ground 6.5 miles west of Benson, AZ, and 0.4 miles south of I-10. Initial impact signatures indicated a…Accident 20131006019479AMcdonnell Douglas Heli 369FF · Paducah, TXOn October 6, 2013, at 1220 l, a MD-369 helicopter bearing registration number N530KF, operated by rogers helicopter, inc hit a powerline pole while conducting part 133 operations. The helicopter was hovering awaiting a powerline to be attached to the…Accident 20121103024469AHughes OH-6A · Atlanta, GAThe public use aircraft was manuvering between 500 and 400 feet AGL when it descended for unknown reasons. It hit a pole with it's skids and crashed in the middle of a street.Incident 20100712051679IBell 206-L4 · Patterson, LAWhile on final approach to an offshore platform the pilot reported that he was experiencing a collective pitch control malfunction. The helicopter pilot reported that the collective pitch control movement had no effect. With the torque indication stuck at…Accident 20090501007159AHughes 369FF · Santa Clarita, CA(-23) On may 1, 2009, N67FF was hovering ten feet above the bouquet reservoir, with forty feet of long line and a gripeling hook under the water surface. N67FF was down low trying to use blade wash to push a floating lunch box toward the shore. While side…Accident 20090302002519ABell 206L4 · Galliano, LA(-23) A mechanic had performed maintenance on the tail rotor drive shaft, to be exact, the nr 7 drive shaft and the whole gar-lock seal cover input assembly was removed to facilitate removal of the tail rotor gear box. Since the shaft bushing could not be…Incident 20050217006669IScwzer 269D · West Palm Beach, FL(-23) On 2/17/05 marine helicopter, CH-53E, piloted by [privacy data omitted] was making an approach to land at the West Palm Beach International Airport at the p.b. sheriff ramp. The helicopter flew over sheriff helicopter N357PD at approximately 50-75 feet.…Incident 20030708015359IScwzer 269D · West Palm Beach, FL(-23) On 7/08/03 at 17:00 hours, the West Palm Beach police department responded to a police call from the police ramp. As the helicopter departed northbound and crossing over the airport, the alt air door warning lights came on and the generator came off the…Incident 19960618021259IBell 206B · Henrietta, NYNarrative: on June 18, 1996 at approximately 0915 EDT hours a Bell 206B, helicopter, N134VG, struck a metal communications tower causing minor damage to the tower, and the helicopter rotor blade. Visual meteorological conditions prevailed at the time and no…
Query with SQL
duckdb -csv -c "SELECT report_number, event_date, event_type, city, state, aircraft_make, aircraft_model, aircraft_damage, fatal_injuries, n_number
FROM 'https://openairdocs.org/data/latest/faa_incident_report.parquet'
WHERE engine_model_code IN ('54584')
ORDER BY event_date DESC, report_number 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 report_number, event_date, event_type, city, state, aircraft_make, aircraft_model, aircraft_damage, fatal_injuries, n_number
FROM 'https://openairdocs.org/data/latest/faa_incident_report.parquet'
WHERE engine_model_code IN ('54584')
ORDER BY event_date DESC, report_number 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.
Service difficulty reports
No reports name this modelGeneral aviation reporting is voluntary.