# NTSB ANC81FA100: Hughes 369D, N8363F, Lk Minchumina, AK, August 27, 1981

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: August 27, 1981
- Place: Lk Minchumina, AK · LK MINCHUMINA, AK
- Location: 63.8828° N, 152.3122° W: Placed by OpenAirDocs: center of Lake Minchumina, AK, within about 9 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=63.8828&lon=-152.3122&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 3 minor
- Status: Completed, report June 26, 1982
- Report: Brief approved by the director
- NTSB case key (mKey): 123665
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC81FA100
- Page: https://openairdocs.org/ntsb/ANC81FA100

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3671  81/8/27  NR.LK MINCHUMINA,AK   HUGHES 369D         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 51, 20000
        TIME - 1200                    N8363F              PX-  0  0  2  AIR TAXI-PASSG            TOTAL HOURS, 1503 IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          FIELD SITE                 LK MINCHUMINA,AK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           ROLL OVER                                                LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - COMPRESSOR ASSEMBLY: STATOR VANE
          PWR PLT-3RD STAGE STATOR VANES ERODED.
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        FACTOR(S)
           TERRAIN - WET,SOFT GROUND
           TERRAIN - ROUGH/UNEVEN
           TERRAIN - HIGH OBSTRUCTIONS
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         FIRE AFTER IMPACT
        REMARKS- CLRD TREES,MARSHY/UNEVEN TUNDRA.COMPRSR,1131HRS.
```

## Aircraft

- Registration: [N8363F](https://openairdocs.org/deregistered/N8363F-1991-11-18), registration cancelled 1991-11-18, S/N 270081D (OpenAirDocs)
- Reported make and model: HUGHES 369D
- Registry model: [Hughes Helicopters HUGHES 369D](https://openairdocs.org/model/hughes-helicopters-hughes-369d) (registry code 4470706) (OpenAirDocs)
- Category: Helicopter
- Engines: turbo shaft
- Damage: Destroyed

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19810827090059A](https://openairdocs.org/incident/19810827090059A), Aug 27, 1981: Hughes 369D, Lake Minchumina, AK, Destroyed. Engine lost power, made hard autorotation landing. Helicopter rolled and burned. Third stage vane failure.

## Other investigations on N8363F (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB ANC80DA068](https://openairdocs.org/ntsb/ANC80DA068), Jul 12, 1980: Hughes 369B (N8363F), Chokosna, AK, substantial damage

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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