# NTSB ANC81FA019: Enstrom F28C, N51674, Anchorage, AK, January 25, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 25, 1981
- Place: Anchorage, AK · ANCHORAGE, AK
- Location: 61.2181° N, 149.9003° W: Placed by OpenAirDocs: center of Anchorage, AK, within about 23 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=61.2181&lon=-149.9003&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report March 2, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 127371
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC81FA019
- Page: https://openairdocs.org/ntsb/ANC81FA019

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0235  81/1/25    ANCHORAGE,AK        ENSTROM F28C        CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 31, 2613
        TIME - 1800                    N51674              PX-  0  0  2  AIR TAXI-PASSG            TOTAL HOURS, 440 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          MERRILL FIELD               RETURN                       ANCHORAGE,AK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ROLL OVER                                                LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PASSENGER
           MISCELLANEOUS ACTS,CONDITIONS - INTERFERENCE WITH FLIGHT CONTROLS
        FACTOR(S)
           SYSTEMS - AIR CONDITION,HEATING AND PRESSURIZATION: OTHER
           TERRAIN - ICY
           TERRAIN - ROUGH/UNEVEN
           MISCELLANEOUS - SMOKE IN COCKPIT
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING OFF AIRPORT
                                  SMOKE IN COCKPIT
        REMARKS- HOSE CONNECTING FAN PLENUM TO HEATER MUFFLER CONTAINED GREASE,SLUDGE.PLT STATED ARM BUMPED.
```

## Aircraft

- Registration: [N51674](https://openairdocs.org/deregistered/N51674-1994-07-22), registration cancelled 1994-07-22, S/N 401 (OpenAirDocs)
- Reported make and model: ENSTROM F28C
- Registry model: [Enstrom F-28C](https://openairdocs.org/model/enstrom-f-28c) (registry code 3300407) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- 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 19810125001569A](https://openairdocs.org/incident/19810125001569A), Jan 25, 1981: Enstrm F28C, Anchorage, AK, Substantial damage. Smoke odor. Elected to land. Cramped cockpit caused control interference. Rotors hit hill. Solvent, oil in air duct

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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