# Fatal NTSB investigations: Allison 250-C47 series NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports. ## Latest cases - [NTSB CEN23FA019](https://openairdocs.org/ntsb/CEN23FA019.md): Bell 407 · Morgan City, LA · Accident · 1 fatal · Class 3 · Field · Final report · Oct 26, 2022 · N34BM · Destroyed > The pilot’s loss of consciousness due to a cardiovascular event. - [NTSB CEN22FA100](https://openairdocs.org/ntsb/CEN22FA100.md): Bell 407 · Houma, LA · Accident · 2 fatal · Class 3 · Field · Final report · Jan 14, 2022 · N167RL · Destroyed > The pilot’s sudden loss of consciousness for undetermined reasons during cruise flight, which resulted in a loss of control and impact with terrain. - [NTSB ERA20FA056](https://openairdocs.org/ntsb/ERA20FA056.md): Bell 407 · Headland, AL · Accident · 1 fatal · Class 3 · Field · Final report · Dec 25, 2019 · N663SF · Substantial damage > Pilot incapacitation by a sudden cardiac event related to severe coronary artery disease, which resulted in a loss of helicopter control. - [NTSB CEN20FA035](https://openairdocs.org/ntsb/CEN20FA035.md): Bell 407 · Gulf of Mexico (Gulf of Mexico) · Accident · 2 fatal · Class 3 · Field · Final report · Dec 7, 2019 · N79LP · Destroyed > A total loss of engine power due to the failure of the engine’s Nos. 3 and 4 bearings and the power turbine pinion gear, and subsequent loss of main rotor rpm, which resulted in a loss of control and impact with the water. - [NTSB CEN19FA095](https://openairdocs.org/ntsb/CEN19FA095.md): Bell 407 · Galliano, LA · Accident · 2 fatal · Class 2 · Field · Final report · Mar 10, 2019 · N577AL · Destroyed > The pilot's loss of control during cruise flight as a result of spatial disorientation while operating the helicopter in close proximity to terrain in marginal meteorological conditions. - [NTSB ERA18FA122](https://openairdocs.org/ntsb/ERA18FA122.md): MD Helicopter 600 · Smethport, PA · Accident · 2 fatal · Field investigation · Final report · Apr 8, 2018 · N602BP · Destroyed > The helicopter pilot's failure to maintain adequate clearance during power line construction work, which resulted in the helicopter's main rotor striking and becoming entangled with a wire and a subsequent dynamic rollover and collision with terrain.… - [NTSB CEN17FA112](https://openairdocs.org/ntsb/CEN17FA112.md): Bell 407 · Chauvin, LA · Accident · 1 fatal · Field investigation · Final report · Feb 27, 2017 · N1371 · Destroyed > The pilot's failure to maintain proper altitude resulting in a collision with water for reasons that could not be determined based on the available information. - [NTSB WPR16FA037](https://openairdocs.org/ntsb/WPR16FA037.md): Bell 407 · McFarland, CA · Accident · 4 fatal · Field investigation · Final report · Dec 11, 2015 · N408FC · Destroyed > The pilot's loss of control and collision with terrain while attempting a course reversal after inadvertently entering an area of reduced visibility weather conditions. Contributing to the accident was the pilot's lack of recent experience with night time… - [NTSB CEN13FA003](https://openairdocs.org/ntsb/CEN13FA003.md): Bell 407 · Intracoastal City, LA · Accident · 1 fatal · Field investigation · Final report · Oct 5, 2012 · N406AL · Substantial damage > The pilot’s decision to attempt a local flight in marginal visual meteorological conditions and his subsequent loss of control following an inadvertent encounter with instrument metrological conditions shortly after takeoff. - [NTSB ANC12FA084](https://openairdocs.org/ntsb/ANC12FA084.md): Mcdonnell Douglas Helicopter 600N · Delta Junction, AK · Accident · 1 fatal · Field investigation · Final report · Aug 8, 2012 · N737TV · Substantial damage > The pilot’s failure to clear the left landing gear skid, which resulted in the entanglement of the left landing gear skid with a log, and his subsequent application of collective pitch, which resulted in a dynamic rollover. - [NTSB DEN08MA116](https://openairdocs.org/ntsb/DEN08MA116.md): Bell 407 · Flagstaff, AZ · Accident · 7 fatal · Major investigation · Final report · Jun 29, 2008 · N407GA · 2 aircraft · Destroyed > Both helicopter pilots’ failure to see and avoid the other helicopter on approach to the helipad. Contributing to the accident were the failure of N407GA’s pilot to follow flight arrival route guidelines, and the failure of N407MJ’s pilot to follow… - [NTSB NYC07FA048](https://openairdocs.org/ntsb/NYC07FA048.md): Bell 407 · Dagsboro, DE · Accident · 2 fatal · Field investigation · Final report · Dec 14, 2006 · N407JJ · Substantial damage > The pilot's improper decision to depart under visual flight rules into night instrument meteorological conditions. Contributing to the accident was the fog and the dark night conditions. - [NTSB DFW05FA040](https://openairdocs.org/ntsb/DFW05FA040.md): Bell 407 · Ship Shoal 130E · Accident · 1 fatal · Field investigation · Final report · Dec 17, 2004 · N976AA · Destroyed > The pilot's failure to maintain clearance with a stationary object while maneuvering for landing. Contributing factors were the inadequate facilities available for landing, the pilot's lack of information regarding the landing area, and the operational status… - [NTSB SEA04MA167](https://openairdocs.org/ntsb/SEA04MA167.md): Bell 407 · Battle Mountain, NV · Accident · 5 fatal · Major investigation · Final report · Aug 22, 2004 · N2YN · Destroyed > The pilot's failure to maintain clearance from mountainous terrain. Contributing factors were the pilot's improper decision to take the direct route over mountainous terrain, the dark night conditions, and the pressure to complete the mission induced by the… - [NTSB CHI04MA182](https://openairdocs.org/ntsb/CHI04MA182.md): Bell 407 · Newberry, SC · Accident · 4 fatal · Major investigation · Final report · Jul 13, 2004 · N503MT · Destroyed > The pilot's failure to maintain terrain clearance as a result of fog conditions. A contributing factor was inadequate weather and dispatch information relayed to the pilot. - [NTSB FTW03FA097](https://openairdocs.org/ntsb/FTW03FA097.md): Bell 407 · Mi 700 · Accident · 2 fatal · Field investigation · Final report · Feb 16, 2003 · N407HH · Destroyed > The catastrophic failure of the engine resulting from 1st stage turbine wheel blade failure due to type 1 hot corrosion (sulfidation). Contributing factors were the pilot's failure to brief the passengers on emergency safety equipment (life raft), the pilot's… - [NTSB CHI01LA145](https://openairdocs.org/ntsb/CHI01LA145.md): Bell Helicopter 407 · Schoolcraft, MI · Accident · 1 fatal · Limited investigation · Final report · May 22, 2001 · N5259N · No damage > The pilot rated passenger failed to maintain clearance with the rotor blades as he exited the helicopter. ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql 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 ('03029')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?engine=03029&fatal=1 --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.