# NTSB ANC81FA055: Hughes 369D, N211EH, Glennallen, AK, May 25, 1981

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: May 25, 1981
- Place: Glennallen, AK · GLENNALLEN, AK
- Location: 62.1092° N, 145.5464° W: Placed by OpenAirDocs: center of Glennallen, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=62.1092&lon=-145.5464&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report March 3, 1982
- Report: Brief approved by the director
- NTSB case key (mKey): 125419
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC81FA055
- Page: https://openairdocs.org/ntsb/ANC81FA055

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3386  81/5/25  NR.GLENNALLEN,AK      HUGHES 369D         CR-  0  0  1  MISCELLANEOUS             AIRLINE TRANSPORT, AGE
        TIME - 1745                    N211EH              PX-  0  0  0  FERRY                     43, 4744 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            2154 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          HOUMA,LA                    ANCHORAGE,AK                 NORTHWAY,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 - FUEL SYSTEM: PUMP,FUEL
           MISCELLANEOUS ACTS,CONDITIONS - CORRODED/CORROSION
           MISCELLANEOUS ACTS,CONDITIONS - FUEL CONTAMINATION-EXCLUSIVE OF WATER IN FUEL
           POWERPLANT - FUEL SYSTEM: NOZZLE,FUEL
           MISCELLANEOUS - FOREIGN MATERIAL AFFECTING NORMAL OPERATIONS
           MISCELLANEOUS ACTS,CONDITIONS - OBSTRUCTED
           MISCELLANEOUS ACTS,CONDITIONS - FUEL STARVATION
        FACTOR(S)
           PILOT IN COMMAND - PHYSICAL IMPAIRMENT
           MISCELLANEOUS ACTS,CONDITIONS - PILOT FATIGUE
           TERRAIN - ROUGH/UNEVEN
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- FUEL NOZZLE OBSTD,PARTICLES FM CORRODED PMP GEARS.CONTAMINATION SOURCE UNKN.PREV FLEW 9HR,SAME DAY
```

## Aircraft

- Registration: [N211EH](https://openairdocs.org/deregistered/N211EH-2013-06-18), registration cancelled 2013-06-18, S/N 380288D, built 1978 (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)
- Registry engine: [Allison 250 SER 400HP](https://openairdocs.org/engine/allison-250-ser-400hp) (registry code 03013, turbo-shaft) (OpenAirDocs)
- Category: Helicopter
- Engines: turbo shaft
- Damage: Substantial damage

## 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 19810525027769A](https://openairdocs.org/incident/19810525027769A), May 25, 1981: Hughes 369D, Glennallen, AK, Substantial damage. Helicopter crashed during emergency landing after engine failure.

## Other investigations on N211EH (2)

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 LAX85LA116](https://openairdocs.org/ntsb/LAX85LA116), Jan 19, 1985: Hughes 369D (N211EH), Makakilo, HI, destroyed
- [NTSB LAX84LA314](https://openairdocs.org/ntsb/LAX84LA314), May 25, 1984: Hughes 369D (N211EH), Honolulu, HI, 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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