# NTSB OAK72FVD33: Beech A23, N7956L, Concord, CA, February 25, 1972

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: February 25, 1972
- 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: Minor injuries
- Injuries: 1 minor
- Status: Completed, report January 30, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 165457
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK72FVD33
- Page: https://openairdocs.org/ntsb/OAK72FVD33

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1345  72/2/25    CONCORD,CALIF       BEECH A23           CR-  0  0  1  MISCELLANEOUS             PRIVATE, AGE 26, 1573
        TIME - 1540                    N7956L              PX-  0  0  0  TEST                      TOTAL HOURS, 3 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - BUCHANAN FIELD
        DEPARTURE POINT             INTENDED DESTINATION
          CONCORD,CALIF               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           AIRFRAME - FLIGHT CONTROL SURFACES: AILERON SURFACES,ATTACHMENTS
        REMARKS- AILERONS SWITCHED DURG REINSTALLATION AFT MAINT.
```

## Aircraft

- Registration: [N7956L](https://openairdocs.org/deregistered/N7956L-1973-05-25), registration cancelled 1973-05-25, S/N MA-126 (OpenAirDocs)
- Reported make and model: BEECH A23
- Registry model: [Beech A23-24](https://openairdocs.org/model/beech-a23-24) (registry code 1151226) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Buchanan Field

## Other investigations on N7956L (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 LAX72DUG15](https://openairdocs.org/ntsb/LAX72DUG15), Sep 18, 1971: Beech A23-24 (N7956L), Salton Sea, 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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