# NTSB investigations: Hughes 269C, 1992

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 SEA93LA001](https://openairdocs.org/ntsb/SEA93LA001.md): Hughes 269C · Hillsboro, OR · Accident · No injuries · Limited investigation · Final report · Oct 1, 1992 · N7400F · Substantial damage
  > The pilot in command's failure to maintain proper altitude during the hover. Factors contributing to the accident were the pilot in command's lack of total experience in rotorcraft and his diversion of attention while hovering.
- [NTSB BFO92FA144](https://openairdocs.org/ntsb/BFO92FA144.md): Hughes 269C · East Bernstadt, KY · Accident · 2 fatal · Field investigation · Final report · Sep 25, 1992 · N9609F · Destroyed
  > Inadequate maintenance inspection involving failure to detect wear of the clutch spring assembly, resulting in the uncoupling of engine power to the main transmission.
- [NTSB LAX92LA383](https://openairdocs.org/ntsb/LAX92LA383.md): Hughes 269C · Rialto, CA · Accident · No injuries · Limited investigation · Final report · Sep 12, 1992 · N58164 · Substantial damage
  > The pilot/passenger's failure to maintain adequate rotor RPM and the pilot-in-command's inadequate supervision of the flight.
- [NTSB LAX92LA354](https://openairdocs.org/ntsb/LAX92LA354.md): Hughes 269C · Corona, CA · Accident · No injuries · Limited investigation · Final report · Aug 14, 1992 · N9297F · Substantial damage
  > The flight instructor's improper supervision of the flight; the dual student pilot's failure to use carburetor heat; and the flight instructor's improper use of the tail rotor pedals. Contributing to this accident was the engine failure due to carburetor…
- [NTSB CHI92LA222](https://openairdocs.org/ntsb/CHI92LA222.md): Hughes 269C · Aurora, IL · Accident · No injuries · Limited investigation · Final report · Aug 1, 1992 · N58335 · Substantial damage
  > Fatigue fracture of the engine crankshaft resulting in loss of power. Factors were the pilot's excessive descent and his lack of total experience.
- [NTSB MIA92T#A02](https://openairdocs.org/ntsb/MIA92T%23A02.md): Hughes 269C · Jacksonville, FL · Accident · No injuries · Class 3 · Final report · Jul 9, 1992 · N8957F · Destroyed
- [NTSB LAX92FA154](https://openairdocs.org/ntsb/LAX92FA154.md): Hughes 269C · Hesperia, CA · Accident · 1 fatal · Field investigation · Final report · Mar 28, 1992 · N9597F · Destroyed
  > A failure of the student pilot to maintain adequate rotor RPM. Contributing to the accident was a failure of the instructor pilot to adequately supervise the training flight and a delay in correcting a low rotor RPM condition.

## 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 year(c."eventDate") = 1992
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4470504'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=4470504&year=1992

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