# NTSB MIA76FKG21: Aeronca 7AC, N81939, Stone Mountain, GA, September 1, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 1, 1975
- Place: Stone Mountain, GA · STONE MOUNTAIN, GA
- Location: 33.8042° N, 84.1714° W: Placed by OpenAirDocs: center of Stone Mountain, GA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.8042&lon=-84.1714&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 3, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 150730
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA76FKG21
- Page: https://openairdocs.org/ntsb/MIA76FKG21

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2880   75/9/1    STONE MOUNTAIN,GA   AERONCA 7AC         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 36, 561
        TIME - 1830                    N81939              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, UNK/NR IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - STONE MOUNTAIN
        DEPARTURE POINT             INTENDED DESTINATION
          STONE MOUNTAIN,GA           LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 TAXI: TO TAKEOFF
           COLLIDED WITH: TREES                                     TAXI: TO TAKEOFF
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED SPEED
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
           PILOT IN COMMAND - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
        REMARKS- TAXIING,TURNED TO FAST,LOST CTL.
```

## Aircraft

- Registration: [N81939](https://openairdocs.org/aircraft/N81939), registered now, S/N 7AC-564, built 1946 (OpenAirDocs)
- Reported make and model: AERONCA 7AC
- Registry model: [Aeronca 7AC](https://openairdocs.org/model/aeronca-7ac) (registry code 2110102) (OpenAirDocs)
- Registry engine: [Continental A&C65 series](https://openairdocs.org/engine/continental-a-c65-series) (registry code 17003, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Stone Mountain

## 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 19750901029929A](https://openairdocs.org/incident/19750901029929A), Sep 1, 1975: Blanca 7AC, Stone Mountain, GA, Substantial damage. Taxiing,turned to fast,lost ctl.

## Other investigations on N81939 (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 UNK64X4154](https://openairdocs.org/ntsb/UNK64X4154), Sep 26, 1964: Aeronca 7AC (N81939), Newberry, SC, destroyed
- [NTSB UNK64X3441](https://openairdocs.org/ntsb/UNK64X3441), Aug 17, 1964: Aeronca 7AC (N81939), Newberry, SC, 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.