# NTSB ANC72DAG73: Piper PA-12, N78481, King Salmon, AK, November 10, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 10, 1971
- Place: King Salmon, AK · KING SALMON, AK
- Location: 58.6883° N, 156.6614° W: Placed by OpenAirDocs: center of King Salmon, AK, within about 7 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=58.6883&lon=-156.6614&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report June 13, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 164202
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC72DAG73
- Page: https://openairdocs.org/ntsb/ANC72DAG73

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3972  71/11/10   KING SALMON,ALAS    PIPER PA-12         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 23, 323
        TIME - 1700                    N78481              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 77 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          BEAR CREEK,ALAS             KING SALMON,ALAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: DESCENDING
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           WEATHER - CONDITIONS CONDUCIVE TO CARB./INDUCTION SYSTEM ICING
           MISCELLANEOUS ACTS,CONDITIONS - ANTI-ICING/DEICING EQUIPMENT-IMPROPER OPERATION OF/OR FAILED TO USE
           MISCELLANEOUS ACTS,CONDITIONS - ICE-CARBURETOR
           TERRAIN - SNOW-COVERED
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  2000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     RAIN
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          FOG                                                       32
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          120                                                       11
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      VFR
```

## Aircraft

- Registration: [N78481](https://openairdocs.org/aircraft/N78481), registered now, S/N 12-1992, built 1947 (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

## Other investigations on N78481 (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 ANC05CA122](https://openairdocs.org/ntsb/ANC05CA122), Aug 9, 2005: Piper PA-12 (N78481), Arctic Village, AK, substantial damage. Probable cause: The pilot's inadequate evaluation of the weather conditions, which resulted in an overrun and subsequent nose over during the landing roll. A factor contributing to the accident was a tailwind.

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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