# NTSB ANC73DAG08: Piper PA-12, N4084M, Iliamna, AK, August 6, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 6, 1972
- Place: Iliamna, AK · ILIAMNA, AK
- Location: 59.7568° N, 154.9111° W: Placed by OpenAirDocs: center of Iliamna, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=59.7568&lon=-154.9111&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report February 22, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 167575
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC73DAG08
- Page: https://openairdocs.org/ntsb/ANC73DAG08

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2295   72/8/6    ILIAMNA,ALAS        PIPER PA-12         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 32, 480
        TIME - 1100                    N4084M              PX-  0  0  2  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 400 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - ILIAMNA
        DEPARTURE POINT             INTENDED DESTINATION
          ILIAMNA,ALAS                ANCHORAGE,ALAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           COLLIDED WITH: TREES                                     LANDING: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           MISCELLANEOUS ACTS,CONDITIONS - ANTI-ICING/DEICING EQUIPMENT-IMPROPER OPERATION OF/OR FAILED TO USE
           MISCELLANEOUS ACTS,CONDITIONS - ICE-CARBURETOR
           TERRAIN - HIGH OBSTRUCTIONS
        FACTOR(S)
           WEATHER - CONDITIONS CONDUCIVE TO CARB./INDUCTION SYSTEM ICING
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          SCATTERED                                                UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      61
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          100                                                       8
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      VFR
```

## Aircraft

- Registration: [N4084M](https://openairdocs.org/aircraft/N4084M), registered now, S/N 12-2967 (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: Iliamna

## Other investigations on N4084M (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 ANC68D0085](https://openairdocs.org/ntsb/ANC68D0085), Aug 22, 1967: Piper PA-12 (N4084M), Gakona, AK, substantial damage
- [NTSB ANC66D0061](https://openairdocs.org/ntsb/ANC66D0061), Aug 19, 1965: Piper PA-12 (N4084M), Sutton, 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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