# NTSB OAK70AP035: Piper PA-22, N5339Z, Livermore, CA, January 2, 1970

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: January 2, 1970
- Place: Livermore, CA · LIVERMORE, CA
- Location: 37.6870° N, 121.7598° W: Placed by OpenAirDocs: center of Livermore, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.6870&lon=-121.7598&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report June 5, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 147674
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK70AP035
- Page: https://openairdocs.org/ntsb/OAK70AP035

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0042   70/1/2    LIVERMORE,CALIF     PIPER PA-22         CR-  2  0  0  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1030                    N5339Z              PX-  0  0  0  DUAL                      AGE 33, 507 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            14 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - LIVERMORE
        DEPARTURE POINT             INTENDED DESTINATION
          LIVERMORE,CALIF             LIVERMORE,CALIF
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: SPIN                                              IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SPATIAL DISORIENTATION
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
        FACTOR(S)
           WEATHER - FOG
           PILOT IN COMMAND - INITIATED FLIGHT IN ADVERSE WEATHER CONDITIONS
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                     UNKNOWN/NOT REPORTED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          2 MILES OR LESS                                          NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  WIND DIRECTION-DEGREES
          FOG                                                       90
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           5                                                       IFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- INSTRUCTOR HELD INSTRUMENT INSTRUCTOR RATING
```

## Aircraft

- Registration: N5339Z (not matched to a registry record)
- Reported make and model: PIPER PA-22
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Livermore

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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