# NTSB SEA69A0008: Bell 47G3B1, N8537F, North Fork, ID, July 23, 1968

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: July 23, 1968
- Place: North Fork, ID · NORTH FORK, ID
- Location: 45.4060° N, 113.9940° W: Placed by OpenAirDocs: center of North Fork, ID, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.4060&lon=-113.9940&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal, 2 minor
- Status: Completed, report March 17, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 108692
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA69A0008
- Page: https://openairdocs.org/ntsb/SEA69A0008

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4649  68/7/23  NR.NORTH FORK,ID      BELL 47G3B1         CR-  1  0  0  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1320                    N8537F              PX-  0  0  2  CTR PASSG-D               AGE 33, 7000 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            300 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: OBJECT                                    IN FLIGHT: HOVERING
           ROLL OVER                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED CLEARANCE
        FACTOR(S)
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
           TERRAIN - OTHER
         FIRE AFTER IMPACT
        REMARKS- M/R HIT BOULDER.PLT IN HOVER-STOP ON NARROW MT LEDGE.ACFT ROLLED DOWN MT SIDE.
```

## Aircraft

- Registration: [N8537F](https://openairdocs.org/deregistered/N8537F-2014-11-24), registration cancelled 2014-11-24, S/N 3390, built 1965 (OpenAirDocs)
- Reported make and model: BELL 47G3B1
- Registry model: [Bell 47G-3B-1](https://openairdocs.org/model/bell-47g-3b-1) (registry code 1181028) (OpenAirDocs)
- Registry engine: [Lycoming TVO-435-GIA](https://openairdocs.org/engine/lycoming-tvo-435-gia) (registry code 41526, turbo-prop) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Destroyed

## Other investigations on N8537F (5)

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 SEA97LA158](https://openairdocs.org/ntsb/SEA97LA158), Jul 5, 1997: Bell 47G-3B-1 (N8537F), Roosevelt, UT, substantial damage. Probable cause: the pilot's failure to maintain directional control. Wind gusts were a factor.
- [NTSB DEN80DTM01](https://openairdocs.org/ntsb/DEN80DTM01), Oct 1, 1979: Bell 47G3B1 (N8537F), Torrey, UT, substantial damage
- [NTSB DEN67A0052](https://openairdocs.org/ntsb/DEN67A0052), Mar 10, 1967: Bell 47G3B1 (N8537F), Cody, WY, destroyed
- [NTSB DEN67A0048](https://openairdocs.org/ntsb/DEN67A0048), Feb 21, 1967: Bell 47G3B1 (N8537F), Riverton, WY, substantial damage
- [NTSB DEN66A0025](https://openairdocs.org/ntsb/DEN66A0025), Oct 5, 1965: Bell 47G3B1 (N8537F), Salt Lake City, 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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