# NTSB investigations: Hughes OH-6

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 WPR14GA176](https://openairdocs.org/ntsb/WPR14GA176.md): Hughes OH 6 · Bullfrog, UT · Accident · Serious injuries · Final report · Apr 29, 2014 · N37929 · Substantial damage
  > A loss of engine power while the helicopter was hovering for reasons that could not be determined because postaccident examination of the engine and rotor drive system revealed no evidence of a mechanical malfunction or failure that would have precluded…
- [NTSB MIA03TA036](https://openairdocs.org/ntsb/MIA03TA036.md): Hughes OH-6 · New Port Richey, FL · Accident · No injuries · Final report · Jan 3, 2003 · N317LC · Substantial damage
  > The pilot's inadequate preflight of the helicopter following maintenance he observed, and failure of maintenance personnel to tighten the "B" nut at the fuel nozzle following a compressor wash resulting in the total loss of engine power. Also, the pilot's…
- [NTSB ATL02TA083](https://openairdocs.org/ntsb/ATL02TA083.md): Hughes OH-6A · Tampa, FL · Accident · Serious injuries · Final report · Apr 14, 2002 · N56TP · Substantial damage
  > The pilot's improper planning/decision to conduct an out of ground effect hover in a tailwind environment, which resulted in the loss of tail rotor effectiveness and the subsequent in-flight collision with water.
- [NTSB ATL02TA030](https://openairdocs.org/ntsb/ATL02TA030.md): Hughes OH-6A · Tampa, FL · Accident · Minor injuries · Final report · Jan 4, 2002 · N46TP · Substantial damage
  > The pilot's improper flare during practice autorotation.
- [NTSB LAX96TA187](https://openairdocs.org/ntsb/LAX96TA187.md): Hughes 369 · Yuma, AZ · Accident · Minor injuries · Final report · May 2, 1996 · N5184C · Destroyed
  > failure of the pilot to maintain control of the helicopter, while maneuvering close to the ground. The unfavorable wind condition was a related factor.
- [NTSB SEA94GA203](https://openairdocs.org/ntsb/SEA94GA203.md): Hughes OH-6A · Duchesne, UT · Accident · 1 fatal · Final report · Jul 31, 1994 · N12UT · Destroyed
  > The pilot's improper in-flight planning/decision and failure to maintain sufficient altitude/clearance from the surrounding terrain. Factors related to the accident were: thunderstorms in the area (requiring the pilot to deviate from the desired course), high…
- [NTSB FTW92GA157](https://openairdocs.org/ntsb/FTW92GA157.md): Hughes OH-6A · Sunland Park, NM · Accident · 1 fatal · Final report · Jun 13, 1992 · N10436 · Destroyed
  > The pilot's failure to see and avoid the wires.

## 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.aircraft_model_code IN ('4470904'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=4470904

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