# NTSB OAK76DVD44: Bell 47G, N179B, Pittsburg, CA, July 19, 1976

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: July 19, 1976
- Place: Pittsburg, CA · PITTSBURG, CA
- Location: 38.0177° N, 121.9004° W: Placed by OpenAirDocs: center of Pittsburg, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.0177&lon=-121.9004&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 2 uninjured
- Status: Completed, report September 8, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 154315
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK76DVD44
- Page: https://openairdocs.org/ntsb/OAK76DVD44-154315

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1846  76/7/19  NR.PITTSBURG,CA       BELL 47G            CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 39, 1297
        TIME - 1630                    N179B               PX-  0  0  2  MAPPING/PHOTO             TOTAL HOURS, UNK/NR IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         PITTSBURG,CA                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: LOW PASS
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON WATER
        REMARKS- POWER LOSS AND VIBRATION CAUSE UNDETERMINED DUE IMPACT DAMAGE AND LONG TIME SALT WATER SUBMERSION.
```

## Aircraft

- Registration: [N179B](https://openairdocs.org/deregistered/N179B-2014-09-10), registration cancelled 2014-09-10, S/N 33, built 1948 (OpenAirDocs)
- Reported make and model: BELL 47G
- Registry model: [Bell 47G](https://openairdocs.org/model/bell-47g) (registry code 1181002) (OpenAirDocs)
- Registry engine: [Franklin 6A4200 series](https://openairdocs.org/engine/franklin-6a4200-series) (registry code 27027, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Destroyed

## 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 19760719023509A](https://openairdocs.org/incident/19760719023509A), Jul 19, 1976: Bell 47G, Pittsburg, CA, Destroyed. Power loss and vibration cause undetermined due impact damage and long time salt water submersion.

## Other investigations on N179B (2)

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 OAK76DVG16](https://openairdocs.org/ntsb/OAK76DVG16), Aug 25, 1975: Bell 47G (N179B), Gold Run, CA, substantial damage
- [NTSB UNK64X3405](https://openairdocs.org/ntsb/UNK64X3405), Aug 15, 1964: Bell 47G (N179B), Alameda, CA, destroyed, 1 fatal

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.