# NTSB investigations: Schweizer HUGHES 269C

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 CEN18LA334](https://openairdocs.org/ntsb/CEN18LA334.md): Schweizer 269C · Kindred, ND · Accident · No injuries · Class 3 · Limited · Final report · Aug 16, 2018 · N3625Z · Destroyed
  > The pilot’s failure to adequately inspect the lower coupling driveshaft during his preflight inspection and his non-compliance with an applicable airworthiness directive, which resulted in the failure of the forward drive splines of the lower coupling…
- [NTSB CEN11LA606](https://openairdocs.org/ntsb/CEN11LA606.md): Boeing A75N1(PT17) · Mt. Clemens, MI · Accident · 1 fatal · Limited investigation · Final report · Aug 21, 2011 · N49739 · 2 aircraft · No damage
  > The wing walker’s decision to release his grip of the airplane during an attempted aerial transfer from airplane to helicopter before both aircraft achieved the proper relative positioning for the transfer.
- [NTSB ERA09CA120](https://openairdocs.org/ntsb/ERA09CA120.md): Schweizer 269C · Panama City, FL · Accident · No injuries · Data collection · Final report · Dec 31, 2008 · N36254 · Substantial damage
  > The pilot's encounter with a loss of tail rotor effectiveness during an out-of-ground-effect hover.
- [NTSB SEA08FA022](https://openairdocs.org/ntsb/SEA08FA022.md): Hughes 269C · Baker City, OR · Accident · 1 fatal · Field investigation · Final report · Nov 8, 2007 · N381MC · Substantial damage
  > The pilot’s failure to maintain main rotor rpm while maneuvering.
- [NTSB FTW99LA092](https://openairdocs.org/ntsb/FTW99LA092.md): Schweizer Hughes 269C · Laredo, TX · Accident · No injuries · Limited investigation · Final report · Mar 10, 1999 · N36254 · Substantial damage
  > The loss of engine power due to a bearing shift, which resulted in fatigue cracking of the crankshaft and subsequent failure of the crankshaft. A factor was a lack of suitable terrain for the forced landing.
- [NTSB CHI93LA013](https://openairdocs.org/ntsb/CHI93LA013.md): Schweizer H-300 · Grand Forks, ND · Accident · No injuries · Limited investigation · Final report · Oct 22, 1992 · N3625Z · Substantial damage
  > The pilot's failure to maintain control of the helicopter during a night landing.
- [NTSB ATL86LA006](https://openairdocs.org/ntsb/ATL86LA006.md): Schweizer 269C · Atlanta, GA · Accident · No injuries · Limited investigation · Final report · Oct 14, 1985 · N7503Q · Substantial damage
  > During a practice autorotation the acft experienced a hard ldg when the plt failed to arrest the sink rate prior to contacting the ground.

## 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 ('8059500'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=8059500

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