# NTSB UNK64X0547: Piper PA22, N4974Z, 29 Palms, CA, February 12, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: February 12, 1964
- Place: 29 Palms, CA · 29 PALMS, CA
- Location: 34.1356° N, 116.0542° W: Placed by OpenAirDocs: center of Twentynine Palms, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.1356&lon=-116.0542&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Brief approved by the director
- NTSB case key (mKey): 185132
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X0547
- Page: https://openairdocs.org/ntsb/UNK64X0547

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0347  64/2/12    29 PALMS CALIF      PIPER PA22          CR-  0  0  1  NONCOMMERCIAL             STUDENT, AGE 24, 35 TOTAL
        TIME - 1100                    N4974Z              PX-  0  0  0  PRACTICE                  HOURS, ALL IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           WEATHER - UNFAVORABLE WIND CONDITIONS
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      VFR
```

## Aircraft

- Registration: [N4974Z](https://openairdocs.org/aircraft/N4974Z), registered now, S/N 22-8579 (OpenAirDocs)
- Reported make and model: PIPER PA22
- Registry model: [Piper PA-22-108](https://openairdocs.org/model/piper-pa-22-108) (registry code 7102204) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: 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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