# NTSB DEN68D0026: Bell 47G-5, N7907S, Ogden, UT, June 14, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 14, 1968
- Place: Ogden, UT · OGDEN, UT
- Location: 41.2284° N, 111.9681° W: Placed by OpenAirDocs: center of Ogden, UT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.2284&lon=-111.9681&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report August 1, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 110294
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN68D0026
- Page: https://openairdocs.org/ntsb/DEN68D0026-110294

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1722  68/6/14    OGDEN,UT            BELL 47G-5          CR-  0  0  1  INSTRUCTIONAL             ATP,FLIGHT INSTR., AGE
        TIME - 1230                    N7907S              PX-  0  0  1  TRAINING                  48, 10200 TOTAL HOURS, 5
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED SPEED AND ALTITUDE
        REMARKS- TAIL ROTOR STRUCK GROUND DURING POWER RECOVERY FROM A PRACTICE AUTOROTATION.U.S.FOREST SERVICE.
```

## Aircraft

- Registration: [N7907S](https://openairdocs.org/deregistered/N7907S-2012-07-19), registration cancelled 2012-07-19, S/N 7845, built 1966 (OpenAirDocs)
- Reported make and model: BELL 47G-5
- Registry model: [Bell 47G-5](https://openairdocs.org/model/bell-47g-5) (registry code 1181032) (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

## Other investigations on N7907S (3)

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 LAX86FUM01](https://openairdocs.org/ntsb/LAX86FUM01), Oct 22, 1985: Bell 47 G-5 (N7907S), Yuma, AZ, destroyed
- [NTSB LAX80FUJ83](https://openairdocs.org/ntsb/LAX80FUJ83), Jul 25, 1980: Bell 47G-5 (N7907S), Sommerton, AZ, substantial damage
- [NTSB LAX79DUJ18](https://openairdocs.org/ntsb/LAX79DUJ18), Nov 16, 1978: Bell 47G-5 (N7907S), Yuma, AZ, 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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