# NTSB MKC78DTK10: Grum Amer AA1-C, N9738U, Edgemont, SD, March 17, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 17, 1978
- Place: Edgemont, SD · EDGEMONT, SD
- Location: 43.2974° N, 103.8323° W: Placed by OpenAirDocs: center of Edgemont, SD, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.2974&lon=-103.8323&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report April 11, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 142557
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC78DTK10
- Page: https://openairdocs.org/ntsb/MKC78DTK10

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0296  78/3/17    EDGEMONT,SD         GRUM AMER AA1-C     CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 27, 280
        TIME - 1630                    N9738U              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 6 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - EDGEMONT
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          RAPID CITY,SD               RETURN                       EDGEMONT,SD
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: SNOWBANK                                  TAKEOFF: RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: SNOW WINDROWS
           MISCELLANEOUS ACTS,CONDITIONS - RUNWAY CLOSED
        FACTOR(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
        REMARKS- AIRPORT CLOSED BY NOTAM DUE TO SNOW WINDROWS ALONG RNY.
```

## Aircraft

- Registration: [N9738U](https://openairdocs.org/aircraft/N9738U), registered now, S/N AA1C0111 (OpenAirDocs)
- Reported make and model: GRUM AMER AA1-C
- 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: Edgemont

## 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 19780317003779A](https://openairdocs.org/incident/19780317003779A), Mar 17, 1978: Grumav AA1C, Edgemont, SD, Substantial damage. Airport closed by NOTAM due to snow windrows along rny.

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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