NTSB investigations: Rolls-Royce 250 20&30 series
14 cases on aircraft whose registry engine model is Rolls-Royce 250 20&30 series. 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.
Cases per year
| 1969 | 1 |
|---|---|
| 2009 | 2 |
| 2010 | 1 |
| 2012 | 1 |
| 2013 | 1 |
| 2014 | 1 |
| 2015 | 1 |
| 2016 | 1 |
| 2018 | 2 |
| 2021 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Where
Open the mapLatest cases
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_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.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_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.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.
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