# NTSB CHI78FEP14: Bell 47-J, N6780D, Wilmot, WI, February 5, 1978

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: February 5, 1978
- Place: Wilmot, WI · WILMOT, WI
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 5 minor
- Status: Completed, report September 7, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 142866
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI78FEP14
- Page: https://openairdocs.org/ntsb/CHI78FEP14

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1845   78/2/5    WILMOT,WI           BELL 47-J           CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 36, 788
        TIME - 1430                    N6780D              PX-  0  0  4  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 56 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - WESTOSHA
        DEPARTURE POINT             INTENDED DESTINATION
          ELKHORN,WI                  TWIN LAKES,WI
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            LANDING: TRAFFIC PATTERN-CIRCLING
           ROLL OVER                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
           TERRAIN - SNOW-COVERED
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
         FIRE AFTER IMPACT
```

## Aircraft

- Registration: [N6780D](https://openairdocs.org/deregistered/N6780D-2013-09-26), registration cancelled 2013-09-26, S/N 1799, built 1959 (OpenAirDocs)
- Reported make and model: BELL 47-J
- Registry model: [Bell 47J](https://openairdocs.org/model/bell-47j) (registry code 1181102) (OpenAirDocs)
- Registry engine: [Lycoming VO-435 series](https://openairdocs.org/engine/lycoming-vo-435-series) (registry code 41525, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Westosha

## 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 19780205013009A](https://openairdocs.org/incident/19780205013009A), Feb 5, 1978: Bell 47B3, Wilmot, WI, Substantial damage

## Other investigations on N6780D (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 MKC73AKO55](https://openairdocs.org/ntsb/MKC73AKO55), Mar 2, 1973: Bell 47J (N6780D), Kansas City, MO, 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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