# NTSB investigations: Hughes 369HS, HI

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 LAX96LA009](https://openairdocs.org/ntsb/LAX96LA009.md): Hughes 369HS · Hana, HI · Accident · Minor injuries · Limited investigation · Final report · Oct 12, 1995 · N9205F · Substantial damage
  > the loss of engine power due to inadequate maintenance inspection of the fuel system which permitted air to enter the engine fuel supply. A factor in the accident was the pilot's improper execution of the autorotation landing.
- [NTSB LAX91LA198](https://openairdocs.org/ntsb/LAX91LA198.md): Hughes 369HS · Keanae, HI · Accident · Minor injuries · Limited investigation · Final report · May 5, 1991 · N9219F · Substantial damage
  > The total failure in fatigue of the helicopter's spur adapter gearshaft. A contributing factor was related to the lack of a suitable emergency landing site.
- [NTSB LAX90LA162](https://openairdocs.org/ntsb/LAX90LA162.md): Hughes 369C · Kahului, HI · Accident · No injuries · Limited investigation · Final report · May 4, 1990 · N9219F · Substantial damage
  > The pilots failure to ensure that adequate room existed to position the helicopter on the landing platform. Contributing to the accident was the failure of ground personnel to ensure that hazards to the landing helicopter were clear of the landing area.
- [NTSB LAX88LA059](https://openairdocs.org/ntsb/LAX88LA059.md): Hughes 369HS · Lihue, Kauai, HI · Accident · Serious injuries · Limited investigation · Final report · Nov 26, 1987 · N77DJ · Substantial damage
  > Pilot failure to maintain adequate main rotor RPM.
- [NTSB OAK76FJA25](https://openairdocs.org/ntsb/OAK76FJA25.md): Hughes 369 · Haena Kauai, HI · Accident · Minor injuries · Closed · Sep 24, 1976 · N9261F · Substantial damage
- [NTSB OAK71FJA14](https://openairdocs.org/ntsb/OAK71FJA14.md): Hughes 500 · Kaneohe, HI · Accident · No injuries · Closed · Mar 3, 1971 · N9016F · Substantial 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."eventStateOrRegion" = 'HI' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4470728'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=4470728&state=HI

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