# NTSB MKC77FCG24: Bell 47D, N925V, Mt.Vernon, MO, May 24, 1977

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: May 24, 1977
- Place: Mt.Vernon, MO · MT.VERNON, MO
- Location: 37.1048° N, 93.8187° W: Placed by OpenAirDocs: center of Mount Vernon, MO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.1048&lon=-93.8187&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 1 uninjured
- Status: Completed, report August 5, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 157192
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC77FCG24
- Page: https://openairdocs.org/ntsb/MKC77FCG24

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1341  77/5/24    MT.VERNON,MO        BELL 47D            CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 30, 2825
        TIME - 1800                    N925V               PX-  0  0  1  BUSINESS                  TOTAL HOURS, 78 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          OZARK,MO                    MT.VERNON,MO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - FUEL SYSTEM: LINES AND FITTINGS
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY SECURED
           MISCELLANEOUS ACTS,CONDITIONS - FUEL EXHAUSTION
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- GASCOLATOR NOT SAFETIED.
```

## Aircraft

- Registration: [N925V](https://openairdocs.org/deregistered/N925V-2006-09-20), registration cancelled 2006-09-20, S/N 643, built 1952 (OpenAirDocs)
- Reported make and model: BELL 47D
- Registry model: [Bell 47D1](https://openairdocs.org/model/bell-47d1) (registry code 1180802) (OpenAirDocs)
- Registry engine: [Franklin 6V4 series](https://openairdocs.org/engine/franklin-6v4-series) (registry code 27033, reciprocating) (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 19770524012629A](https://openairdocs.org/incident/19770524012629A), May 24, 1977: Bell 47D1, Mt.Vernon, MO, Substantial damage. Gascolator not safetied.

## Other investigations on N925V (4)

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 ATL92LA017](https://openairdocs.org/ntsb/ATL92LA017), Oct 28, 1991: Bell 47D-1 (N925V), Rome, GA, substantial damage. Probable cause: THE FAILURE OF A TAIL ROTOR BLADE FOR UNDETERMINED REASONS.
- [NTSB FTW73DPG34](https://openairdocs.org/ntsb/FTW73DPG34), Sep 20, 1972: Bell 47D (N925V), Plumerville, AR, substantial damage
- [NTSB NYC69D0001](https://openairdocs.org/ntsb/NYC69D0001), Jun 4, 1968: Bell 47D1 (N925V), Mt Morris, NY, destroyed
- [NTSB NYC67A0162](https://openairdocs.org/ntsb/NYC67A0162), May 17, 1967: Bell 47D1 (N925V), Milford Square, PA, 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.

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