# NTSB OAK73DVM41: Champion 7GCBC, N5149X, Palo Alto, CA, June 28, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 28, 1973
- Place: Palo Alto, CA · PALO ALTO, CA
- Location: 37.3965° N, 122.1431° W: Placed by OpenAirDocs: center of Palo Alto, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.3965&lon=-122.1431&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 8, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 190127
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK73DVM41
- Page: https://openairdocs.org/ntsb/OAK73DVM41

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1817  73/6/28    PALO ALTO,CALIF     CHAMPION 7GCBC      CR-  0  0  1  INSTRUCTIONAL             STUDENT, AGE 45, 21 TOTAL
        TIME - 1148                    N5149X              PX-  0  0  0  TRAINING                  HOURS, 12 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - PALO ALTO
        DEPARTURE POINT             INTENDED DESTINATION
          PALO ALTO,CALIF             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
```

## Aircraft

- Registration: [N5149X](https://openairdocs.org/aircraft/N5149X), registered now, S/N 103, built 1969 (OpenAirDocs)
- Reported make and model: CHAMPION 7GCBC
- Registry model: [Champion 7GCBC](https://openairdocs.org/model/champion-7gcbc) (registry code 21101PK) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Palo Alto

## 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 19730628018479A](https://openairdocs.org/incident/19730628018479A), Jun 28, 1973: Blanca 7GCBC, Palo Alto, CA, Substantial damage

## Other investigations on N5149X (3)

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 ANC99LA081](https://openairdocs.org/ntsb/ANC99LA081), Jun 24, 1999: Champion 7GCBC (N5149X), Anchorage, AK, substantial damage. Probable cause: The pilot's failure to maintain an adequate airspeed, and subsequent inadvertent stall.
- [NTSB OAK7LFXQ03](https://openairdocs.org/ntsb/OAK7LFXQ03), Jul 20, 1975: Champion 7GCBC (N5149X), Trukee, CA, substantial damage
- [NTSB LAX70FUG38](https://openairdocs.org/ntsb/LAX70FUG38), May 31, 1970: Champion 7GCBC (N5149X), Apple Vally, 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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