# NTSB investigations: Hughes 369HS, 1990

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 FTW90GA185](https://openairdocs.org/ntsb/FTW90GA185.md): Hughes 369HS · New Orleans, LA · Accident · No injuries · Final report · Sep 21, 1990 · N71552 · Substantial damage
  > The pilot's failure to maintain rotor RPM. A factor in the accident was the lose of engine power due to fuel starvation.
- [NTSB LAX90FA248](https://openairdocs.org/ntsb/LAX90FA248.md): McDonnell Douglas 369HS · Modesto, CA · Accident · Minor injuries · Field investigation · Final report · Jul 9, 1990 · N505WW · Destroyed
  > In-flight engine fire of undetermined origin.
- [NTSB SEA90LA106](https://openairdocs.org/ntsb/SEA90LA106.md): Hughes 369HS · Randle, WA · Accident · No injuries · Limited investigation · Final report · Jun 21, 1990 · N4428F · Substantial damage
  > The pilot failed to compensate for the wind conditions.
- [NTSB NYC90LA125](https://openairdocs.org/ntsb/NYC90LA125.md): Hughes 369HS · Brookville, PA · Accident · Serious injuries · Limited investigation · Final report · Jun 5, 1990 · N8315F · Destroyed
  > Worn tail rotor pitch control assembly, due to improper maintenance/installation, and subsequent fatigue failure of the tail rotor swashplate.
- [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 FTW90LA095](https://openairdocs.org/ntsb/FTW90LA095.md): Hughes 369HS · Junction, TX · Accident · No injuries · Limited investigation · Final report · Apr 15, 1990 · N9138F · Substantial damage
  > The pilot in command's inadequate execution of the autorotation following a engine failure which resulted from his failure to refuel the aircraft with the proper grade of fuel when he ran short during the flight.
- [NTSB FTW90LA090](https://openairdocs.org/ntsb/FTW90LA090.md): Hughes H500C · Houston, TX · Accident · No injuries · Limited investigation · Final report · Apr 3, 1990 · N9128F · Substantial damage
  > The total failure of the engine for undertemined reasons and the pilot misjudging the flare prior to touchdown.

## 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") = 1990
  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&year=1990

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