# NTSB OAK68A0045: Bell 47D1, N112B, Antioch, CA, November 21, 1967

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: November 21, 1967
- Place: Antioch, CA · ANTIOCH, CA
- Location: 37.9784° N, 121.7983° W: Placed by OpenAirDocs: center of Antioch, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.9784&lon=-121.7983&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 1 minor
- Status: Completed, report January 30, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 113527
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK68A0045
- Page: https://openairdocs.org/ntsb/OAK68A0045

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0880  67/11/21   ANTIOCH,CALIF       BELL 47D1           CR-  0  1  0  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1305                    N112B               PX-  0  0  1  POWER/PIPELINE            AGE 25, 421 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            138 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - ANTIOCH
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - MISMANAGEMENT OF FUEL
           MISCELLANEOUS ACTS,CONDITIONS - FUEL EXHAUSTION
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- INADEQUATE AIR SPEED AND ALT FOR AUTOROTATIVE LDG.POWER LINE PATROL.
```

## Aircraft

- Registration: [N112B](https://openairdocs.org/deregistered/N112B-1991-03-25), registration cancelled 1991-03-25, S/N 47B32 (OpenAirDocs)
- Reported make and model: BELL 47D1
- Registry model: [Bell 47D1](https://openairdocs.org/model/bell-47d1) (registry code 1180802) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Antioch

## Other investigations on N112B (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 DEN82FTI03](https://openairdocs.org/ntsb/DEN82FTI03), Oct 27, 1981: Bell 47D1 (N112B), Haugen, MT, substantial damage
- [NTSB SEA73FYC17](https://openairdocs.org/ntsb/SEA73FYC17), Feb 2, 1973: Bell 47D1 (N112B), Portland, OR, 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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