# NTSB OAK75DVD48: Bell 47G-5, N7832S, Oakland, CA, May 21, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 21, 1975
- Place: Oakland, CA · OAKLAND, CA
- Location: 37.8044° N, 122.2708° W: Placed by OpenAirDocs: center of Oakland, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.8044&lon=-122.2708&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report June 18, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 148386
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK75DVD48
- Page: https://openairdocs.org/ntsb/OAK75DVD48

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1121  75/5/21    OAKLAND,CA          BELL 47G-5          CR-  0  0  1  INSTRUCTIONAL             COMMERCIAL, AGE 27, 569
        TIME - 1010                    N7832S              PX-  0  0  0  SOLO                      TOTAL HOURS, 23 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - OAKLAND METRO
        DEPARTURE POINT             INTENDED DESTINATION
          OAKLAND,CA                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ROLL OVER                                                IN FLIGHT: HOVERING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - CHECKLIST-FAILED TO USE
        REMARKS- HYD CTL SWITCH NOT TURNED ON.
```

## Aircraft

- Registration: [N7832S](https://openairdocs.org/aircraft/N7832S), registered now, S/N 7859, built 1967 (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
- Airport: Oakland Metro

## 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 19750521012019A](https://openairdocs.org/incident/19750521012019A), May 21, 1975: Bell 47G5, Oakland, CA, Substantial damage. Hyd ctl switch not turned on.

## Other investigations on N7832S (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 LAX80FVD25](https://openairdocs.org/ntsb/LAX80FVD25), May 27, 1980: Bell 47G-5 (N7832S), Oakland, CA, 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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