# NTSB ANC81DAG47: Piper PA-12, N7690H, Anchorage, AK, June 30, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 30, 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: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 18, 1991
- Report: Brief approved by the director
- NTSB case key (mKey): 125147
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC81DAG47
- Page: https://openairdocs.org/ntsb/ANC81DAG47

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1829  81/6/30    ANCHORAGE,AK        PIPER PA-12         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 40, 333
        TIME - 1720                    N7690H              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 80 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - LAKE HOOD
        DEPARTURE POINT             INTENDED DESTINATION
          ANCHORAGE,AK                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 TAKEOFF: RUN
           NOSE OVER/DOWN                                           TAKEOFF: ABORTED
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: WHEELS,TIRES,AXLES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           PILOT IN COMMAND - DELAYED ACTION IN ABORTING TAKEOFF
           WEATHER - UNFAVORABLE WIND CONDITIONS
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                      4500
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     LEFT CROSS WIND 248-292 DEGREES
        TEMPERATURE-F                                            WIND DIRECTION-DEGREES
           55                                                      220
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           12                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- L MAIN TIRE FAILED.
```

## Aircraft

- Registration: [N7690H](https://openairdocs.org/aircraft/N7690H), registered now, S/N 12-580, 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
- Airport: Lake Hood

## 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 19810630037449A](https://openairdocs.org/incident/19810630037449A), Jun 30, 1981: Piper PA12, Anchorage, AK, Substantial damage. Tried to take off with under inflated tire. Tire went flat. Lost control. Ran off runway and overturned.

## Other investigations on N7690H (3)

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 GAA18CA535](https://openairdocs.org/ntsb/GAA18CA535), Sep 5, 2018: Piper PA 12 (N7690H), Talkeetna, AK, substantial damage. Probable cause: The pilot’s failure to maintain pitch control on uneven terrain during the landing roll, which resulted in a nose-over.
- [NTSB ANC11CA033](https://openairdocs.org/ntsb/ANC11CA033), May 17, 2011: Piper PA-12 (N7690H), Wasilla, AK, substantial damage. Probable cause: The pilot's inadequate preflight inspection, resulting in a departure with the fuel selector in the "off" position, a subsequent loss of engine power, and an off-airport emergency landing.
- [NTSB ANC94LA069](https://openairdocs.org/ntsb/ANC94LA069), Jun 13, 1994: Piper PA-12 (N7690H), Anchorage, AK, substantial damage. Probable cause: THE PILOT'S EXCESSIVE USE OF THE WHEEL BRAKES.

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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