# NTSB investigations: Hughes Helicopters HUGHES 369D, 1985

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 LAX86LA043](https://openairdocs.org/ntsb/LAX86LA043.md): Hughes 369D · Kunia, Oahu, HI · Accident · No injuries · Limited investigation · Final report · Nov 19, 1985 · N58395 · Substantial damage
  > While cruising the plt detected a loss of engine power & elected to make a precautionary landing. During landing flare engine power was lost & the acft touched down hard & with excessive ground speed. Exam of the acft's fuel control valve governor failed to…
- [NTSB LAX85LA403](https://openairdocs.org/ntsb/LAX85LA403.md): Hughes 369D · Porterville, CA · Accident · Serious injuries · Limited investigation · Final report · Sep 25, 1985 · N29707 · Destroyed
  > After climbing to a cruise alt of 13500 ft MSL to cross the sierra Nevada mountains, south of mt whitney, the plt entered cruise flt at an indicated airspeed of aprx 120 to 130 KTS. The plt's flt manual lists 110 KTS as the velocity velocity to never exceed…
- [NTSB SEA85FA104](https://openairdocs.org/ntsb/SEA85FA104.md): Hughes 369D · Spokane, WA · Accident · 2 fatal · Field investigation · Final report · May 5, 1985 · N8365F · Destroyed
  > The helicopter was on a flt to a tv station to transport a tv camera man & his gear. The regular plt for this trip was unable to fly, so another was retained for the flt. This was his 1st flt to the station. Helicopter operations at the tv station were…
- [NTSB LAX85FJA03](https://openairdocs.org/ntsb/LAX85FJA03.md): Hughes 369D · Hilo, HI · Accident · No injuries · Final report · Feb 15, 1985 · N58395 · Substantial damage
  > The helicopter tail boom was damaged by the main rotor blades during a forced autorotative landing. The plt reported that shortly after takeoff at an alt of 4500 ft MSL, the eng N2 dropped to 92% and aprx 15 seconds later, the eng flamed out. Investigation…
- [NTSB LAX85FA136](https://openairdocs.org/ntsb/LAX85FA136.md): Hughes 369D · Hilo, HI · Accident · 1 fatal · Field investigation · Final report · Feb 6, 1985 · N369LA · Substantial damage
  > A search was initiated when the helicopter did not arrive. It was fnd 2 days later where it crashed drg an autorotation in a rain forest. Drg the flare/touchdown, vegetation had caught on a tundra pad on the l skid & the acft rolled over. An exam revealed the…
- [NTSB SEA85LA053](https://openairdocs.org/ntsb/SEA85LA053.md): Hughes 369D · Taholah, WA · Accident · Minor injuries · Limited investigation · Final report · Feb 4, 1985 · N8306F · Destroyed
  > The acft had lifted off during an external load operation when the plt felt a 'vibration/shudder'. The right skid contacted the ground and the helicopter rolled over during an attempt to maneuver the helicopter away from ground personnel. Inspection revealed…
- [NTSB LAX85LA116](https://openairdocs.org/ntsb/LAX85LA116.md): Hughes 369D · Makakilo, HI · Accident · Minor injuries · Limited investigation · Final report · Jan 19, 1985 · N211EH · Destroyed
  > On an air taxi flt, after landing at a prearranged site the plt signaled to his 3 pax to board the helicopter. As the pax attempted to board from the right side of the acft, the rotor blades went out of track/phase. The acft began uncontrollable bouncing up…

## 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") = 1985
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4470706'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=4470706&year=1985

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