# NTSB ANC81DAG54: Piper PA-12, N7580H, Tyonek, AK, July 22, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 22, 1981
- Place: Tyonek, AK · TYONEK, AK
- Location: 61.0681° N, 151.1369° W: Placed by OpenAirDocs: center of Tyonek, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=61.0681&lon=-151.1369&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report September 18, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 125146
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC81DAG54
- Page: https://openairdocs.org/ntsb/ANC81DAG54

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1828  81/7/22  NR.TYONEK,AK          PIPER PA-12         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 49, 606
        TIME - 1800                    N7580H              PX-  0  0  1  BUSINESS                  TOTAL HOURS, 506 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         TYONEK,AK                    ANCHORAGE,AK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 TAKEOFF: RUN
        PROBABLE CAUSE(S)
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PASSENGER
           MISCELLANEOUS ACTS,CONDITIONS - INTERFERENCE WITH FLIGHT CONTROLS
        FACTOR(S)
           TERRAIN - OTHER
        REMARKS- ATMTG TKOF FM NARROW ROAD.PLT RPRTD PAX GRABBED CTL STICK & ACFT WENT OFF ROAD INTO TUNDRA.
```

## Aircraft

- Registration: [N7580H](https://openairdocs.org/aircraft/N7580H), registered now, S/N 12-460, 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 0-235 series](https://openairdocs.org/engine/lycoming-0-235-series) (registry code 41505, 4 cycle) (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 19810722050429A](https://openairdocs.org/incident/19810722050429A), Jul 22, 1981: Piper PA12, Tyonek, AK, Substantial damage. During takeoff, passenger grabbed control stick causing aircraft to veer off road and crash.

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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