# NTSB ANC71DAG57: Piper PA-11, N4931M, Skwentna, AK, November 28, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 28, 1970
- Place: Skwentna, AK · SKWENTNA, AK
- Location: 61.9903° N, 151.3978° W: Placed by OpenAirDocs: center of Skwentna, AK, within about 12 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=61.9903&lon=-151.3978&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report October 8, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 159610
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC71DAG57
- Page: https://openairdocs.org/ntsb/ANC71DAG57

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4526  70/11/28 NR.SKWENTNA,ALAS      PIPER PA-11         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 34, 111
        TIME - 0900                    N4931M              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 61 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         SKWENTNA,ALAS                ANCHORAGE,ALAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL                                                    TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY LOADED AIRCRAFT-WEIGHT-AND/OR C.G.
        REMARKS- APRXLY 95LB OVR GWT.
```

## Aircraft

- Registration: [N4931M](https://openairdocs.org/deregistered/N4931M-1972-11-24), registration cancelled 1972-11-24, S/N 111629 (OpenAirDocs)
- Reported make and model: PIPER PA-11
- Registry model: [Piper PA-11](https://openairdocs.org/model/piper-pa-11) (registry code 7101102) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: 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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
