# NTSB CHI74FEC36: Bell 47G5, N8142J, Flint, MI, April 12, 1974

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: April 12, 1974
- Place: Flint, MI · FLINT, MI
- Location: 43.0125° N, 83.6875° W: Placed by OpenAirDocs: center of Flint, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.0125&lon=-83.6875&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report May 17, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 186358
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI74FEC36
- Page: https://openairdocs.org/ntsb/CHI74FEC36

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0786  74/4/12    FLINT,MICH          BELL 47G5           CR-  0  0  2  NONCOMMERCIAL             PRIVATE, AGE 30, 118
        TIME - 1801                    N8142J              PX-  0  0  0  PRACTICE                  TOTAL HOURS, 33 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          FLINT,MICH                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ROLL OVER                                                TAKEOFF: VERTICAL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
           PILOT IN COMMAND - IMPROPER COMPENSATION FOR WIND CONDITIONS
        REMARKS- ENG AND ROTOR RPM DROPPED BLO GREEN ARC,A/S ZERO.WIND GUSTING 25K.
```

## Aircraft

- Registration: [N8142J](https://openairdocs.org/deregistered/N8142J-1989-06-07), registration cancelled 1989-06-07, S/N 25010 (OpenAirDocs)
- Reported make and model: BELL 47G5
- Registry model: [Bell 47G-5](https://openairdocs.org/model/bell-47g-5) (registry code 1181032) (OpenAirDocs)
- 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).

- [Accident 19740412008539A](https://openairdocs.org/incident/19740412008539A), Apr 12, 1974: Bell 47G5, Flint, MI, Substantial damage. Eng and rotor RPM dropped blo green arc,a/s zero. Wind gusting 25K.

## Other investigations on N8142J (1)

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 CHI77FEV22](https://openairdocs.org/ntsb/CHI77FEV22), Apr 15, 1977: Bell 47G5 (N8142J), Enfield, IL, destroyed

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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