Fatal NTSB investigations: Allison 250-C30 series

20 cases on aircraft whose registry engine model is Allison 250-C30 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

19852026
Fatal NTSB investigations: Allison 250-C30 series per year, 1985–2026: 20 cases
19851
19891
19942
20031
20051
20062
20071
20081
20091
20111
20131
20142
20171
20191
20201
20242

Latest 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.\"highestInjuryLevel\" = 'Fatal'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('03015'))
  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.

NTSB ERA25FA005Accident · 3 fatalClass 3 · FieldPreliminary reportBell 206L-3 · Owenton, KYOn October 7, 2024, at 1730 eastern daylight time, a Bell 206L3+, N230AE, was destroyed when it was involved in an accident in Owenton, Kentucky. The pilot, a flight nurse, and a flight medic were fatally injured. The helicopter was operated by Air Evac Life…Oct 7, 2024 · N230AE · DestroyedNTSB CEN24FA094Accident · 3 fatalClass 3 · FieldFinal reportBell 206 · Hydro, OKThe helicopter’s inflight collision with cackling geese, resulting in an inflight breakup.Jan 21, 2024 · N295AE · DestroyedNTSB WPR20LA163Accident · 3 fatalClass 3 · LimitedFinal reportBell 206 · Fairfield, CAThe pilot’s failure to maintain adequate clearance from powerlines while conducting external load operations, which resulted in the main rotor contacting a wire and a subsequent collision with terrain.Jun 2, 2020 · N65PJ · Substantial damageNTSB WPR19LA071Accident · 1 fatalClass 3 · LimitedFinal reportBell 206 · Ashland, ORThe pilot's decision to continue visual flight into deteriorating weather, which resulted in an encounter with instrument meteorological conditions and spatial disorientation leading to a loss of control.Jan 23, 2019 · N8227J · Substantial damageNTSB CEN17FA355Accident · 1 fatalField investigationFinal reportBell 206L 3 · Ancho, NMThe pilot's distraction by a cell phone during a low-altitude flight, which resulted in controlled flight into terrain.Sep 16, 2017 · N213TV · DestroyedNTSB CEN14FA286Accident · 2 fatalField investigationFinal reportBell 206 L4 · South Timbalier PlatformThe pilot's loss of helicopter control for reasons that could not be determined based on the available information.Jun 11, 2014 · N207MY · DestroyedNTSB CEN14FA122Accident · 3 fatalField investigationFinal reportBell 206L 3 · Silt, COThe pilot’s inadequate preflight planning for a low-level aerial surveillance flight of power transmission lines, which led to his being unaware of the crossing power line while flying toward the sun and his subsequent failure to maintain sufficient clearance…Jan 27, 2014 · N207DS · DestroyedNTSB CEN14FA004Accident · 1 fatalField investigationFinal reportBell 206L 3 · Venice, LAA total loss of engine power due to the liberation of a second stage turbine blade near the blade root due to a high-cycle fatigue crack and subsequent overload. Although extensive testing and materials analysis was performed, the reason for crack initiation…Oct 9, 2013 · N54LP · Substantial damageNTSB WPR11GA115Accident · 1 fatalFinal reportMcdonnell Douglas Heli 369FF · Marana, AZAn inadvertent tail rotor strike during an attempted pinnacle landing, which resulted in the pilot's loss of control of the helicopter. Inhospitable terrain/topography contributed to the severity of the accident.Jan 31, 2011 · N530RL · Substantial damageNTSB ERA09FA419Accident · 3 fatalField investigationFinal reportMD Helicopter 530 (369FF) · Camp Butler, IraqThe pilot’s failure to maintain terrain clearance during a low-level course reversal.Jul 17, 2009 · N974BW · DestroyedNTSB CEN09FA086Accident · 5 fatalField investigationFinal reportBell 206L-4 · Sabine Pass, TXThe pilot’s failure to maintain clearance from the water. Contributing to the accident was the inadvertent encounter with instrument meteorological conditions.Dec 11, 2008 · N180AL · DestroyedNTSB NYC08FA071Accident · 3 fatalField investigationFinal reportBell 206L-3 · Cherokee, ALThe pilot's failure to maintain control of the helicopter during an out-of-ground-effect hover. Contributing to the accident was a loss of tail rotor effectiveness.Dec 30, 2007 · N109AE · Substantial damageNTSB DFW06IA145Incident · 1 fatalIncident investigationFinal reportBell 206L-3 · Grand Isle 43AAThe pilot's incapacitation and death due to pre-existing cardiac disease.May 30, 2006 · N92MT · No damageNTSB DFW06FA083Accident · 2 fatalField investigationFinal reportBell 206L-1 · Patterson, LAThe improper installation of an engine fuel line fitting by other maintenance personnel, which resulted in a loose fitting and a loss of engine power during cruise flight. Factors associated with the accident are a tailwind, and the lack of a suitable site…Mar 14, 2006 · N370RL · DestroyedNTSB DFW06FAMS1Accident · 3 fatalMissing aircraftFinal reportBell 206-L3 · Gulf of MexicoUndetermined. The aircraft is missing.Oct 6, 2005 · N6560K · DestroyedNTSB FTW04FA007Accident · 3 fatalField investigationFinal reportBell 206L-3 · W. Cameron 509The pilot's loss of control following an inadvertent encounter with adverse weather conditions. Contributing factors were the prevailing thunderstorms, the low ceilings, and the miscommunication between the pilot and the company's communication center in…Oct 10, 2003 · N81671 · DestroyedNTSB BFO94FA135Accident · 3 fatalField investigationFinal reportBell 206L-4 · Whiting, NJThe pilot's improper in-flight planning/decision, flight into instrument meteorological conditions (IMC), and subsequent spatial disorientation, which resulted in loss of aircraft control. Factors related to the accident were: darkness, the adverse weather…Aug 13, 1994 · N124NH · DestroyedNTSB FTW94GA232Accident · 3 fatalFinal reportBell 206L-3 · Mimbres, NMThe pilot's improper decision to attempt to hover out of ground effect under adverse conditions while exceeding the maximum allowable weight for that maneuver. Factors in the accident were: high density altitude and the tailwind.Jul 12, 1994 · N3178B · DestroyedNTSB DEN89MA130Accident · 4 fatalMajor investigationFinal reportBell 206L-3 · Big Timber, MTFailure of the pilot to maintain control of the aircraft during takeoff, due to spatial disorientation, which resulted in a collision with the terrain. Contributing factors were: dark night, pilot's visual perception, inadequate initial training of the pilot…Jun 2, 1989 · N76KM · DestroyedNTSB NYC85FA145Accident · 1 fatalField investigationFinal reportSikorsky S76A · Belmar, NJDuring takeoff & landing practice for a pre-solo plt the CFI saw a helicopter, N176FJ, approaching the arpt. N4956B, at the time of 1st sighting, was on a left base for rwy 3. The rotorcraft apparently did not see N4956B or hear any radio calls at this…Jun 11, 1985 · N176FJ · 2 aircraft · Substantial damage