# NTSB OAK76AP054: Cessna 402, N8424F, Palo Alto, CA, May 20, 1976

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 20, 1976
- 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: 6 uninjured
- Status: Completed, report June 25, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 153855
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK76AP054
- Page: https://openairdocs.org/ntsb/OAK76AP054

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1165  76/5/20    PALO ALTO,CA        CESSNA 402          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 56, 9803
        TIME - 1147                    N8424F              PX-  0  0  5  AIR TAXI-PASSG            TOTAL HOURS, 73 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - PALO ALTO
        DEPARTURE POINT             INTENDED DESTINATION
          MERCED,CA                   PALO ALTO,CA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR RETRACTED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: GEAR LOCKING MECHANISM
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER ALIGNMENT/ADJUSTMENT
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
        REMARKS- R GR DOWNLOCK UPPER SUPPORT LUG FAILED & LOWER ATTACH BOLT SHEARED. MAINT ON GR 1 MONTH PRIOR.
```

## Aircraft

- Registration: N8424F (not matched to a registry record)
- Reported make and model: CESSNA 402
- 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 19760520014559A](https://openairdocs.org/incident/19760520014559A), May 20, 1976: Cessna 402CESSNA, Palo Alto, CA, Substantial damage. R gr downlock upper support lug failed & lower attach bolt sheared. Maint on gr 1 month prior.

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.