# Fatal NTSB investigations: Allison 250 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 WPR20LA224](https://openairdocs.org/ntsb/WPR20LA224.md): Hiller UH 12D · Mehama, OR · Accident · 1 fatal · Class 3 · Limited · Final report · Jul 17, 2020 · N2297W · Destroyed > An in-flight separation of a tail rotor blade due to fatigue cracking and overstress, which resulted in a loss of directional control and subsequent ground impact. - [NTSB CEN13WA156](https://openairdocs.org/ntsb/CEN13WA156.md): Cessna P210N · Charloeri, Belgium · Accident · 5 fatal · Foreign investigation · Feb 9, 2013 · N240PW · Destroyed > On February 9, 2013, about 0840 hours universal coordinated time, a Cessna P210N, United States registration N240PW, impacted terrain after takeoff from the Brussels South -- Charleroi Airport (EBCI), Charleroi, Belgium. The intended destination was Lyon,… - [NTSB ERA12FA527](https://openairdocs.org/ntsb/ERA12FA527.md): Bell 407 · Abingdon, VA · Accident · 1 fatal · Field investigation · Final report · Aug 25, 2012 · N407N · Substantial damage > The pilot's improper decision to make a low-level departure over water in dark night conditions without lights, which resulted in controlled flight into the water. Contributing to the accident was the pilot's likely spatial disorientation due to a vestibular… - [NTSB WPR10FA440](https://openairdocs.org/ntsb/WPR10FA440.md): Hiller UH 12E · Kamiah, ID · Accident · 3 fatal · Field investigation · Final report · Aug 31, 2010 · N67264 · Substantial damage > In-flight impact of a passenger's metal clipboard with the helicopter’s tail rotor, which resulted in destruction of the tail rotor and subsequent loss of control of the helicopter. The original location of the clipboard and how it became free could not be… - [NTSB WPR09LA069](https://openairdocs.org/ntsb/WPR09LA069.md): Hughes 369 · Honiara, Solomon Islands · Accident · 1 fatal · Limited investigation · Final report · Dec 28, 2008 · N104BN · Destroyed > The pilot's failure to remove the tail rotor pedal lock before attempting flight, resulting in a loss of control. - [NTSB IAD05LA080](https://openairdocs.org/ntsb/IAD05LA080.md): Navickas Load Runner 2000 · Hammonton, NJ · Accident · 2 fatal · Limited investigation · Final report · Jun 19, 2005 · N200LR · Destroyed > The pilot's inadequate in-flight decision, which resulted in fuel exhaustion and subsequent loss of engine power. A factor was the wooded area, into which, the pilot had to autorotate. - [NTSB NYC03FA095](https://openairdocs.org/ntsb/NYC03FA095.md): Beech A36 · Farmingdale, NJ · Accident · 1 fatal · Field investigation · Final report · May 5, 2003 · N111TW · Substantial damage > The pilot's delayed decision to refuel, which resulted in fuel exhaustion and the subsequent loss of engine power. - [NTSB IAD01FA066](https://openairdocs.org/ntsb/IAD01FA066.md): Hughes 369A · Perry, WV · Accident · 1 fatal · Field investigation · Final report · Jun 7, 2001 · N58963 · Destroyed > The pilot's continued VFR flight into instrument meteorological conditions, and his failure to maintain terrain clearance. A contributing factor was mountainous terrain. - [NTSB CHI98FA313](https://openairdocs.org/ntsb/CHI98FA313.md): Hiller FH-1100 · Dewitt, MI · Accident · 1 fatal · Field investigation · Final report · Aug 14, 1998 · N8171U · Destroyed > The rotor failure/malfunction due to debonding of the tail rotor blade. Also causal was the inadequate maintenance inspection of the aircraft by the company and the improper maintenance procedure by other maintenance personnel. - [NTSB SEA97TA023](https://openairdocs.org/ntsb/SEA97TA023.md): Bell 47G-3B-1 · Fillmore, UT · Accident · 1 fatal · Final report · Oct 29, 1996 · N3098G · Substantial damage > inadequate procedure and inadequate monitoring by the pilot, the operator, and/or other personnel, which allowed one of three external cables to the seed bucket to become entangled with the right skid of the helicopter, resulting in an imbalance and loss of… - [NTSB MIA96LA210](https://openairdocs.org/ntsb/MIA96LA210.md): Bell 47G-4A · Adel, GA · Accident · 1 fatal · Limited investigation · Final report · Aug 11, 1996 · N9472G · Destroyed > the pilot's misjudgment of clearance between the helicopter and the antenna. A factor relating to the accident was the pilot's use of a drug (medication) that had sedative effects. - [NTSB SEA86FA039](https://openairdocs.org/ntsb/SEA86FA039.md): Hiller-Soloy UH-12E · Horton, OR · Accident · 1 fatal · Field investigation · Final report · Jan 16, 1986 · N40290 · Destroyed > The fork connecting the rotorcraft's blue blade to the main rotor hub separated after a long term fatigue crack had spread through more than 60% of the fork circumference. The operator failed to carry out the appropriate inspection of the fork unit as… - [NTSB SEA78FYK06](https://openairdocs.org/ntsb/SEA78FYK06.md): Hiller UH-12E · Reedsport, OR · Accident · 1 fatal · Closed · Jan 20, 1978 · N65149 · Minor damage ## 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 ('03014', '03019')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?engine=03014&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.