# NTSB MIA72DKH27: Mccullough J-2, N4336G, Cumming, GA, April 10, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 10, 1972
- Place: Cumming, GA · CUMMING, GA
- Location: 34.2061° N, 84.1338° W: Placed by OpenAirDocs: center of Cumming, GA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.2061&lon=-84.1338&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report April 10, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 165943
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA72DKH27
- Page: https://openairdocs.org/ntsb/MIA72DKH27

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4012  72/4/10    CUMMING,GA          MCCULLOUGH J-2      CR-  0  0  2  INSTRUCTIONAL             AIRLINE TRANSPORT, AGE
        TIME - 0915                    N4336G              PX-  0  0  0  DUAL                      32, 5460 TOTAL HOURS, 50
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - MATHIS
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          LITHONIA,GA                 RETURN                       CUMMING,GA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 TAKEOFF: RUN
           COLLIDED WITH: DIRT BANK                                 TAKEOFF: RUN
        PROBABLE CAUSE(S)
           DUAL STUDENT - FAILED TO USE OR INCORRECTLY USED MISC.EQUIPMENT
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
        REMARKS- STUDENT FAILED TO RELEASE ROTOR SPIN UP LEVER BFOR APPLYING FULL THROTTLE.PLT NOT AN IP IN TYPE.
```

## Aircraft

- Registration: [N4336G](https://openairdocs.org/deregistered/N4336G-1973-07-05), registration cancelled 1973-07-05, S/N 046 (OpenAirDocs)
- Reported make and model: MCCULLOUGH J-2
- Registry model: [Mcculloch J-2](https://openairdocs.org/model/mcculloch-j-2) (registry code 5500604) (OpenAirDocs)
- Category: Gyroplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Mathis

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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