# NTSB ANC72DAG51: Piper PA-12, N92733, Skwentna, AK, August 21, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 21, 1971
- Place: Skwentna, AK · SKWENTNA, AK
- Location: 61.9903° N, 151.3978° W: Placed by OpenAirDocs: center of Skwentna, AK, within about 12 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=61.9903&lon=-151.3978&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report April 10, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 163071
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC72DAG51
- Page: https://openairdocs.org/ntsb/ANC72DAG51

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3209  71/8/21    SKWENTNA,ALAS       PIPER PA-12         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 39, 120
        TIME - 1000                    N92733              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 105 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - SONA MINE
        DEPARTURE POINT             INTENDED DESTINATION
          SKWENTNA,ALAS               CHALATNA LAKE,ALAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: OBJECT                                    TAKEOFF: RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - ATTEMPTED OPERATION BEYOND EXPERIENCE/ABILITY LEVEL
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
           PILOT IN COMMAND - FAILED TO ABORT TAKEOFF
        FACTOR(S)
           TERRAIN - WET,SOFT GROUND
           TERRAIN - OTHER
        REMARKS- TUNDRA GRASS,WATER ABT 2IN DEEP.TKOF AREA APRX 975FT LONG.HIT BRUSH AT END.
```

## Aircraft

- Registration: [N92733](https://openairdocs.org/aircraft/N92733), registered now, S/N 12-170, built 1946 (OpenAirDocs)
- Reported make and model: PIPER PA-12
- Registry model: [Piper PA-12](https://openairdocs.org/model/piper-pa-12) (registry code 7101202) (OpenAirDocs)
- Registry engine: [Lycoming 0-290 series](https://openairdocs.org/engine/lycoming-0-290-series) (registry code 41506, 4 cycle) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Sona Mine

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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