# NTSB investigations: Hughes 369HS: Loss of engine power(total) - nonmechanical

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 LAX02LA176](https://openairdocs.org/ntsb/LAX02LA176.md): Hughes 369C · Agana · Accident · Minor injuries · Limited investigation · Final report · May 26, 2002 · N500LA · Substantial damage
  > sabotage to the helicopter's fuel system, which resulted in a loss of engine power and a forced landing.
- [NTSB FTW96LA054](https://openairdocs.org/ntsb/FTW96LA054.md): Hughes 369HS · Leakey, TX · Accident · Minor injuries · Limited investigation · Final report · Nov 27, 1995 · N8312F · Substantial damage
  > improper planning/decision by the pilot, by failing to ensure there was adequate fuel on board, which resulted in fuel exhaustion and a subsequent roll-over during a forced landing on hilly terrain. A factor relating to the accident was: downsloping terrain…
- [NTSB MIA92FA142](https://openairdocs.org/ntsb/MIA92FA142.md): Hughes 369HS · Labelle, FL · Accident · 1 fatal · Field investigation · Final report · Jun 26, 1992 · N9089F · Destroyed
  > The pilot-in-command's improper application of collective pitch during an autorotative landing resulting in insufficient rotor RPM and in-flight collision with trees and the terrain. Contributing to the accident was the total loss of engine power due to fuel…
- [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 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.
- [NTSB LAX88LA322](https://openairdocs.org/ntsb/LAX88LA322.md): Hughes 369HS · Columbia, CA · Accident · No injuries · Limited investigation · Final report · Sep 16, 1988 · N9110F · Substantial damage
  > During an external load operation, there was an indication of high torque and the oil chip light illuminated. The engine lost power and the pilot initiated an autorotation. The helicopter collided with the sloping terrain and rolled over. Inspection of the…
- [NTSB SEA87LA079](https://openairdocs.org/ntsb/SEA87LA079.md): Hughes 369HS · Yakima, WA · Accident · No injuries · Limited investigation · Final report · Apr 11, 1987 · N8313F · Substantial damage
  > Six miles from the airport, at cruise, the engine ceased operating due to fuel exhaustion. The plt had noticed the low fuel warning light on 10 minutes prior to the engine failure but elected to continue his flight. Autorotation was made from 1,000 feet AGL…
- [NTSB ATL85LA183](https://openairdocs.org/ntsb/ATL85LA183.md): Hughes 369HS · Aiken, SC · Accident · No injuries · Limited investigation · Final report · Jun 7, 1985 · N9146F · Substantial damage
  > During a landing, the eng lost power & the helicopter touched down hard. The plt stated that prior to the 15 min flt, the fuel gage was indicating 125 lbs of fuel & at the accident site it indicated 90 lbs of fuel. A post crash inspection of the fuel system…
- [NTSB DEN84LA075](https://openairdocs.org/ntsb/DEN84LA075.md): Hughes 369HS · Buffalo, WY · Accident · No injuries · Limited investigation · Final report · Jan 27, 1984 · N4507C · Substantial damage
  > The helicopter lost power a few minutes after takeoff and made a forced landing. The acft had been refueled from a fuel truck shortly before takeoff. Samples of fuel from the acft and the fuel truck were examined and found to contain water.

## 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 ('4470728')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 353))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=4470728&occurrence=353

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