# NTSB OAK70DVD17: Globe GC-1B, N78234, Concord, CA, April 18, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 18, 1970
- Place: Concord, CA · CONCORD, CA
- Location: 37.9722° N, 122.0016° W: Placed by OpenAirDocs: center of Concord, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.9722&lon=-122.0016&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report February 1, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 130617
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK70DVD17
- Page: https://openairdocs.org/ntsb/OAK70DVD17

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1965  70/4/18    CONCORD,CALIF       GLOBE GC-1B         CR-  0  0  2  INSTRUCTIONAL             ATP,FLIGHT INSTR., AGE
        TIME - 0820                    N78234              PX-  0  0  0  DUAL                      30, 2996 TOTAL HOURS, 10
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - BUCHANAN FIELD
        DEPARTURE POINT             INTENDED DESTINATION
          CONCORD,CALIF               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              TAKEOFF: INITIAL CLIMB
           GEAR RETRACTED                                           TAKEOFF: RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - PREMATURE LIFT-OFF
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
           DUAL STUDENT - RETRACTED GEAR PREMATURELY
        REMARKS- DMSTNG SFT-FLD T/O.PLT LWRD NSE TO GAIN AIRSPEED UNAWARE STDNT RETRACTED GR AFT LIFT-OFF.
```

## Aircraft

- Registration: N78234 (not matched to a registry record)
- Reported make and model: GLOBE GC-1B
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Buchanan Field

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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