# NTSB ANC78DAG87: Grum Amer AA1C, N9951U, Cantwell, AK, July 21, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 21, 1978
- Place: Cantwell, AK · CANTWELL, AK
- Location: 63.3917° N, 148.9508° W: Placed by OpenAirDocs: center of Cantwell, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=63.3917&lon=-148.9508&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 2, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 140782
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC78DAG87
- Page: https://openairdocs.org/ntsb/ANC78DAG87

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2469  78/7/21    CANTWELL,AK         GRUM AMER AA1C      CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 24, 186
        TIME - 1730                    N9951U              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 3 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - CANTWELL
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          FORT RICHARDSON,AK          FAIRBANKS,AK                 CANTWELL,AK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - FAILED TO ABORT TAKEOFF
        FACTOR(S)
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
        REMARKS- 2100FT WET/ROUGH/UPSLOPE RWY.
```

## Aircraft

- Registration: [N9951U](https://openairdocs.org/deregistered/N9951U-2013-08-21), registration cancelled 2013-08-21, S/N AA1C0167, built 1978 (OpenAirDocs)
- Reported make and model: GRUM AMER AA1C
- Registry model: [Grumman American Avn. AA-1C](https://openairdocs.org/model/grumman-american-avn-aa-1c) (registry code 3960100) (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
- Airport: Cantwell

## 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 19780721019989A](https://openairdocs.org/incident/19780721019989A), Jul 21, 1978: Grumav AA1C, Cantwell, AK, Substantial damage. 2100FT wet/rough/upslope rwy.

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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