# NTSB CHI78FA071: Bell 47G4, N12PE, Brownsburg, IN, August 23, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 23, 1978
- Place: Brownsburg, IN · BROWNSBURG, IN
- Location: 39.8344° N, 86.3857° W: Placed by OpenAirDocs: center of Brownsburg, IN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.8344&lon=-86.3857&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report December 26, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 139266
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI78FA071
- Page: https://openairdocs.org/ntsb/CHI78FA071-139266

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3257  78/8/23    BROWNSBURG,IN       BELL 47G4           CR-  0  0  2  INSTRUCTIONAL             ATP,FLIGHT INSTR., AGE
        TIME - 1942                    N12PE               PX-  0  0  0  DUAL                      45, 9035 TOTAL HOURS, 279
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          BROWNSBURG,IN               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  TAKEOFF: VERTICAL
        PROBABLE CAUSE(S)
           DUAL STUDENT - IMPROPER OPERATION OF FLIGHT CONTROLS
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - PILOT FATIGUE
        REMARKS- STU PLT REC 2.5HRS F/W INSTRUCTION EARLIER THAT DAY,STATED HE WAS TIRED.
```

## Aircraft

- Registration: N12PE (not matched to a registry record)
- Reported make and model: BELL 47G4
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Incident 19780823047799I](https://openairdocs.org/incident/19780823047799I), Aug 23, 1978: Bell 47G4, Brownsburg, IN, Minor damage. Student and instuctor hovering allowed tail to contact ground breaking off rotor.

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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