# NTSB OAK75FVD16: Cessna 310C, N6698B, Hayward, CA, September 19, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 19, 1974
- Place: Hayward, CA · HAYWARD, CA
- Location: 37.6688° N, 122.0808° W: Placed by OpenAirDocs: center of Hayward, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.6688&lon=-122.0808&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report November 19, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 138839
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK75FVD16
- Page: https://openairdocs.org/ntsb/OAK75FVD16

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3306  74/9/19    HAYWARD,CALIF       CESSNA 310C         CR-  0  0  2  INSTRUCTIONAL             PRIVATE, AGE 24, 168
        TIME - 1505                    N6698B              PX-  0  0  0  CHECK                     TOTAL HOURS, 12 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - HAYWARD AIR TERM
        DEPARTURE POINT             INTENDED DESTINATION
          HAYWARD,CALIF               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR RETRACTED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADVERTENTLY RETRACTED GEAR
           CHECK PILOT - INADEQUATE TRAINING OF STUDENT
           CHECK PILOT - INADEQUATE SUPERVISION OF FLIGHT
        REMARKS- CHECK PLT- CERTIFICATE PREVIOUSLY SUSPENDED.
```

## Aircraft

- Registration: [N6698B](https://openairdocs.org/aircraft/N6698B), registered now, S/N 35798, built 1959 (OpenAirDocs)
- Reported make and model: CESSNA 310C
- Registry model: [Cessna 310C](https://openairdocs.org/model/cessna-310c) (registry code 2074210) (OpenAirDocs)
- Registry engine: [Continental I0-470 series](https://openairdocs.org/engine/continental-i0-470-series) (registry code 17027, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Hayward Air Term

## 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 19740919031499A](https://openairdocs.org/incident/19740919031499A), Sep 19, 1974: Cessna 310C, Hayward, CA, Substantial damage. Check plt- certificate previously suspended.

## Other investigations on N6698B (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 MIA73FLA23](https://openairdocs.org/ntsb/MIA73FLA23), Dec 7, 1972: Cessna 310C (N6698B), Jacksonville, FL, 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.

---
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.