# NTSB SEA74DTI14: Bell 47G-3, N178B, Missoula, MT, December 2, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: December 2, 1973
- Place: Missoula, MT · MISSOULA, MT
- Location: 46.8721° N, 113.9940° W: Placed by OpenAirDocs: center of Missoula, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.8721&lon=-113.9940&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report February 7, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 187425
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA74DTI14
- Page: https://openairdocs.org/ntsb/SEA74DTI14

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4034   73/12/2 NR.MISSOULA,MONT      BELL 47G-3          CR-  0  0  1  INSTRUCTIONAL             AIRLINE TRANSPORT, AGE
        TIME - 1015                    N178B               PX-  0  0  0  TRAINING                  32, 7858 TOTAL HOURS, 12
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - JOHNSON-BELL FLD
        DEPARTURE POINT             INTENDED DESTINATION
         MISSOULA,MONT                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ROLL OVER                                                LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - ATTEMPTED OPERATION BEYOND EXPERIENCE/ABILITY LEVEL
           PILOT IN COMMAND - MISUNDERSTANDING OF ORDERS OR INSTRUCTIONS
        FACTOR(S)
           PERSONNEL - FLIGHT INSTRUCTOR: INADEQUATE SUPERVISION OF FLIGHT
           TERRAIN - WET,SOFT GROUND
        REMARKS- STUD PRCTCNG SLOPE LNDS TO HELIPORT,5 DEG SLP.
```

## Aircraft

- Registration: [N178B](https://openairdocs.org/deregistered/N178B-1977-07-21), registration cancelled 1977-07-21, S/N 47D32, built 1948 (OpenAirDocs)
- Reported make and model: BELL 47G-3
- Registry model: [Bell 47G](https://openairdocs.org/model/bell-47g) (registry code 1181002) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Johnson-Bell Fld

## 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 19731202038299A](https://openairdocs.org/incident/19731202038299A), Dec 2, 1973: Bell 47G, Missoula, MT, Substantial damage. Stud prctcng slope lnds to heliport,5 deg slp.

## Other investigations on N178B (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 DEN77FTM06](https://openairdocs.org/ntsb/DEN77FTM06), Oct 15, 1976: Bell 47G (N178B), Beaver, UT, 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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