# NTSB ANC73DAG48: Piper PA-12, N4158M, Anchorage, AK, October 7, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 7, 1972
- 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: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report March 13, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 168938
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC73DAG48
- Page: https://openairdocs.org/ntsb/ANC73DAG48

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3191   72/10/7   ANCHORAGE,ALAS      PIPER PA-12         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 49, 349
        TIME - 0810                    N4158M              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 345 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - LAKE HOOD
        DEPARTURE POINT             INTENDED DESTINATION
          ANCHORAGE,ALAS              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            LANDING: TRAFFIC PATTERN-CIRCLING
           NOSE OVER/DOWN                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - FUEL SYSTEM: CARBURETOR
           MISCELLANEOUS ACTS,CONDITIONS - FUEL CONTAMINATION-EXCLUSIVE OF WATER IN FUEL
           MISCELLANEOUS ACTS,CONDITIONS - WATER IN FUEL
           TERRAIN - WET,SOFT GROUND
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
        REMARKS- SOLID CONTAMINANTS AND WATER FOUND IN CARBURETOR.LNDD IN MARSHY AREA SHORT OF RWY.
```

## Aircraft

- Registration: [N4158M](https://openairdocs.org/deregistered/N4158M-2012-11-20), registration cancelled 2012-11-20, S/N 12-3057, 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 0-290 series](https://openairdocs.org/engine/lycoming-0-290-series) (registry code 41506, 4 cycle) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Lake Hood

## Other investigations on N4158M (2)

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 ANC76DAG80](https://openairdocs.org/ntsb/ANC76DAG80), Jan 15, 1976: Piper PA-12 (N4158M), Eureka, AK, substantial damage
- [NTSB ANC68D0086](https://openairdocs.org/ntsb/ANC68D0086), Sep 2, 1967: Piper PA-12 (N4158M), Palmer, AK, substantial damage

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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