# NTSB investigations: Rolls-Royce 250-C20B

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.

Page 2 of 2 · 73 cases

## Cases, newest first

- [NTSB CEN12LA282](https://openairdocs.org/ntsb/CEN12LA282.md): Bell 206B-III · Flora, IN · Accident · No injuries · Limited investigation · Final report · May 9, 2012 · N1069Z · Substantial damage
  > The pilot allowed the helicopter to settle with power.
- [NTSB WPR12CA183](https://openairdocs.org/ntsb/WPR12CA183.md): Bell 206B · Arvin, CA · Accident · No injuries · Data collection · Final report · Apr 25, 2012 · N969W · Substantial damage
  > The pilot did not maintain clearance from power lines during low altitude maneuvering.
- [NTSB ERA12LA260](https://openairdocs.org/ntsb/ERA12LA260.md): Hughes 369D · McCormick, SC · Accident · Minor injuries · Limited investigation · Final report · Mar 30, 2012 · N868W · Substantial damage
  > The pilot's decision to use automotive fuel instead of the approved alternate fuel, which resulted in a total loss of engine power.
- [NTSB ERA12CA119](https://openairdocs.org/ntsb/ERA12CA119.md): Hughes 369D · Fall Branch, TN · Accident · No injuries · Data collection · Final report · Dec 21, 2011 · N500TN · Substantial damage
  > The pilot's improper decision to continue a visual flight into instrument meteorological conditions, which resulted in a wire strike.
- [NTSB CEN11GA218](https://openairdocs.org/ntsb/CEN11GA218.md): Hughes 369D · Meeker, CO · Accident · Minor injuries · Final report · Mar 8, 2011 · N131AL · Substantial damage
  > Main rotor contact with the tail boom resulting in tail boom separation.
- [NTSB WPR11LA048](https://openairdocs.org/ntsb/WPR11LA048.md): MD Helicopter 369D · Salem, OR · Accident · Serious injuries · Limited investigation · Final report · Nov 15, 2010 · N155PH · Substantial damage
  > The pilot’s failure to maintain clearance between the longline and trees, which resulted in the longline snagging a tree and then recoiling into the main rotor blades and a subsequent loss of helicopter control.
- [NTSB CEN10CA428](https://openairdocs.org/ntsb/CEN10CA428.md): Bell 206B · New Hampton, IA · Accident · No injuries · Data collection · Final report · Jul 23, 2010 · N40TA · Substantial damage
  > The pilot's failure to maintain clearance from wires.
- [NTSB ERA10CA367](https://openairdocs.org/ntsb/ERA10CA367.md): Bell 206 · Roseville, PA · Accident · No injuries · Data collection · Final report · Jul 19, 2010 · N302MG · Substantial damage
  > The pilot's failure to maintain clearance from a known wire hazard.
- [NTSB CEN10CA246](https://openairdocs.org/ntsb/CEN10CA246.md): Carlesimo Glasair III T · Lynwood, IL · Accident · No injuries · Data collection · Final report · May 7, 2010 · N713MJ · Substantial damage
  > A loss of engine power due to fuel starvation as a result of the pilot's failure to follow the pre-landing checklist and verifying the position of the fuel selector.
- [NTSB ERA10LA053](https://openairdocs.org/ntsb/ERA10LA053.md): Hughes 369 · Baxley, GA · Accident · No injuries · Limited investigation · Final report · Nov 6, 2009 · N89ZC · Substantial damage
  > A loss of engine power due to fuel starvation resulting from the pilot’s inadequate preflight inspection of the main fuel valve position.
- [NTSB WPR09LA010](https://openairdocs.org/ntsb/WPR09LA010.md): Bell 206B · Cougar, WA · Accident · Serious injuries · Limited investigation · Final report · Oct 10, 2008 · N206CH · Substantial damage
  > The pilot's failure to maintain clearance between his external load and trees while maneuvering. Contributing to the accident were hilly terrain and trees.
- [NTSB SEA07LA147](https://openairdocs.org/ntsb/SEA07LA147.md): Hughes 369D · Troy, OR · Accident · Serious injuries · Limited investigation · Final report · Jun 6, 2007 · N48MP · No damage
  > The inadvertent entanglement of the crewmemeber's helmet's communication cord with the structure of the helicopter during the helicopter's ascent, which resulted in the crewmember being elevated above ground level before the helmet's cord separated, resulting…
- [NTSB SEA07LA135](https://openairdocs.org/ntsb/SEA07LA135.md): Hughes 369D · Columbus, MT · Accident · 1 fatal · Limited investigation · Final report · May 28, 2007 · N765HV · Destroyed
  > The fatigue failure of a turbine blade due to a localized over-temperature of the turbine section as result of a non-uniform fuel distribution by the fuel nozzle. Contributing to the accident was the close proximity of a power line support structure which…
- [NTSB DFW05LA066](https://openairdocs.org/ntsb/DFW05LA066.md): Bell 206B · Pinehurst, TX · Accident · No injuries · Limited investigation · Final report · Jan 19, 2005 · N8040T · Substantial damage
  > The flight instructor's delay in taking remedial action, which resulted in a hard landing.
- [NTSB SEA03TA116](https://openairdocs.org/ntsb/SEA03TA116.md): McDonnell Douglas 369E · Big Timber, MT · Accident · Minor injuries · Final report · Jun 25, 2003 · N1502 · Substantial damage
  > Fretting on the outside diameter of the compressor coupling adapter which resulted in fatigue and subsequent fracture of the adapter, and ultimately the disconnection of the compressor from the turbine assembly. Contributing factors were low rotor RPM, uneven…
- [NTSB DEN03LA097](https://openairdocs.org/ntsb/DEN03LA097.md): Bell 206B III · Broomfield, CO · Accident · No injuries · Limited investigation · Final report · May 31, 2003 · N382SP · Substantial damage
  > the student pilot's failure to maintain aircraft control and the instructor's inadequate supervision.
- [NTSB SEA02TA067](https://openairdocs.org/ntsb/SEA02TA067.md): Hughes 369D · Richland, WA · Accident · No injuries · Final report · Apr 11, 2002 · N8353F · Substantial damage
  > Failure of the netting material securing a net weight while maneuvering. The net weight was a factor.
- [NTSB LAX01LA079](https://openairdocs.org/ntsb/LAX01LA079.md): Hughes 369D · Ely, NV · Accident · No injuries · Limited investigation · Final report · Jan 23, 2001 · N8353F · Substantial damage
  > The mechanic's inadvertent activation of the bleed valve, which resulted in a loss of engine oil and loss of engine power while in cruise flight.
- [NTSB SEA90FA079](https://openairdocs.org/ntsb/SEA90FA079.md): Bell 206B-3 · Coeur D'Alene, ID · Accident · No injuries · Field investigation · Final report · Dec 9, 1990 · N53MA · Substantial damage
  > Failure of the pilot-in-command (PIC) to maintain rotor RPM, and a delay by the FAA inspector (flight examiner) in taking remedical action.
- [NTSB LAX84LA117](https://openairdocs.org/ntsb/LAX84LA117.md): Bell 206B III · Mountain City, NV · Accident · Serious injuries · Limited investigation · Final report · Dec 27, 1983 · N206JH · Substantial damage
  > The helicopter collided with the snow covered ground after the eng quit during a power-line patrol at about 30 ft AGL. The plt reported that the visibility was 1/2 mile with light snow falling. He also said he could see 4 to 7 of the supporting structures.…
- [NTSB DEN81FA035](https://openairdocs.org/ntsb/DEN81FA035-125362.md): Bell 206B · Evanston, WY · Accident · 1 fatal · Closed · May 18, 1981 · N39101 · Substantial damage
- [NTSB OAK73DXQ36](https://openairdocs.org/ntsb/OAK73DXQ36.md): Bell 47G3B1 · Belden, CA · Accident · Minor injuries · Closed · Jun 29, 1973 · N8465E · Substantial damage
- [NTSB OAK70A0008](https://openairdocs.org/ntsb/OAK70A0008.md): Bell 47G-3B · Willow Crek, CA · Accident · Serious injuries · Closed · Jul 25, 1969 · N8465E · Destroyed

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('54385'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=54385&page=2

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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.