# NTSB ANC81FAA27: Piper PA-18, N1472C, Harding Lake, AK, August 25, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 25, 1981
- Place: Harding Lake, AK · HARDING LAKE, AK
- Location: 64.4213° N, 146.8155° W: Placed by OpenAirDocs: center of Harding Lake, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=64.4213&lon=-146.8155&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 22, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 124538
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC81FAA27
- Page: https://openairdocs.org/ntsb/ANC81FAA27

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1849  81/8/25    HARDING LAKE,AK     PIPER PA-18         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 32, 900
        TIME - 1530                    N1472C              PX-  0  0  0  PRACTICE                  TOTAL HOURS, 185 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - HARDING LAKE
        DEPARTURE POINT             INTENDED DESTINATION
          HARDING LAKE,AK             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: ON GROUND                              LANDING: ROLL
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: BRAKING SYSTEM (NORMAL SYSTEM)
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - INTENTIONAL GROUND-WATER-LOOP-SWERVE
        REMARKS- BRAKE PEDAL SUPPORT LUGS ON L MASTER CYL,PN 451-709,FAILED.
```

## Aircraft

- Registration: N1472C (not matched to a registry record)
- Reported make and model: PIPER PA-18
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Harding Lake

## 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 19810825051639A](https://openairdocs.org/incident/19810825051639A), Aug 25, 1981: Piper PA18135, North Pole, AK, Substantial damage. Support holding brake cylinder and pedal broke on landing. Ground looped to avoid going off end of runway.

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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