# NTSB ANC75FAG10: Piper PA-18, N5127Y, Cooper Ldg, AK, August 9, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 9, 1974
- Place: Cooper Ldg, AK · COOPER LDG, 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 7, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 138655
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC75FAG10
- Page: https://openairdocs.org/ntsb/ANC75FAG10

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3761   74/8/9  NR.COOPER LDG,ALAS    PIPER PA-18         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 19, 260
        TIME - 0830                    N5127Y              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 13 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          SOLDOTNA,ALAS               ANCHORAGE,ALAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: TREES                                     LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
           TERRAIN - HIGH OBSTRUCTIONS
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- NO ENG MALFUNCTION FOUND.
```

## Aircraft

- Registration: [N5127Y](https://openairdocs.org/aircraft/N5127Y), registered now, S/N 18-7895, built 1962 (OpenAirDocs)
- Reported make and model: PIPER PA-18
- Registry model: [Piper PA-18-150](https://openairdocs.org/model/piper-pa-18-150) (registry code 7101828) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- 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 19740809039599A](https://openairdocs.org/incident/19740809039599A), Aug 9, 1974: Piper PA18150, Cooper Ldg, AK, Substantial damage. No eng malfunction found.

## Other investigations on N5127Y (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 ANC84LA167](https://openairdocs.org/ntsb/ANC84LA167), Sep 8, 1984: Piper PA-18 (N5127Y), Palmer, 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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