# NTSB ANC79DAG27: Piper PA-18A, N7288D, Cooper Landing, AK, December 7, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: December 7, 1978
- Place: Cooper Landing, AK · COOPER LANDING, AK
- Location: 60.4900° N, 149.8342° W: Placed by OpenAirDocs: center of Cooper Landing, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=60.4900&lon=-149.8342&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report January 9, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 138587
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC79DAG27
- Page: https://openairdocs.org/ntsb/ANC79DAG27

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3533   78/12/7 NR.COOPER LANDING,AK  PIPER PA-18A        CR-  0  0  1  NONCOMMERCIAL             STUDENT, AGE 39, 476
        TIME - 1100                    N7288D              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 92 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          SOLDOTNA,AK                 ANCHORAGE,AK                UNKNOWN/NOT REPORTED
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: PROPELLER                       IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: TREES                                     LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - PROPELLER AND ACCESSORIES: BLADES
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           TERRAIN - HIGH VEGETATION
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  PROP/ENGINE VIBRATION
```

## Aircraft

- Registration: N7288D (not matched to a registry record)
- Reported make and model: PIPER PA-18A
- Category: Airplane
- Engines: reciprocating
- Damage: 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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