# NTSB OAK71DYA92: Piper PA-28, N5693U, Mariposa, CA, June 25, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 25, 1971
- Place: Mariposa, CA · MARIPOSA, CA
- Location: 37.4912° N, 119.9732° W: Placed by OpenAirDocs: center of Mariposa, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.4912&lon=-119.9732&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report February 24, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 161772
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK71DYA92
- Page: https://openairdocs.org/ntsb/OAK71DYA92

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2280  71/6/25    MARIPOSA,CALIF      PIPER PA-28         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 42, 71 TOTAL
        TIME - 1145                    N5693U              PX-  0  0  1  BUSINESS                  HOURS, ALL IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - MARIPOSA-YOSEMITE
        DEPARTURE POINT             INTENDED DESTINATION
          VAN NUYS,CALIF              MARIPOSA,CALIF
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           COLLIDED WITH: PARKED AIRCRAFT                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           AIRFRAME - LANDING GEAR: BRAKING SYSTEM (NORMAL SYSTEM)
           MISCELLANEOUS ACTS,CONDITIONS - LEAK/LEAKAGE
        REMARKS- L BRK LINE FOUND LEAKING FLUID.ACFT VEERED TO THE R,HIT N2232R,MINOR DMG.LEAK EVIDENT UNDSIDE WING
```

## Aircraft

- Registration: [N5693U](https://openairdocs.org/deregistered/N5693U-2013-09-24), registration cancelled 2013-09-24, S/N 28-26492, built 1969 (OpenAirDocs)
- Reported make and model: PIPER PA-28
- Registry model: [Piper PA-28-140](https://openairdocs.org/model/piper-pa-28-140) (registry code 7102802) (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: Mariposa-Yosemite

## Other investigations on N5693U (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 DEN90LA039](https://openairdocs.org/ntsb/DEN90LA039), Jan 12, 1990: Piper PA-28-140 (N5693U), Provo, UT, substantial damage. Probable cause: FUEL STARVATION DUE TO PILOT MISJUDGEMENT OF FUEL REQUIREMENTS FOR THE TRIP AND A FAILURE TO REFUEL THE AIRPLANE EN ROUTE.

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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