# NTSB LAX70D0056: Piper J4E, N40792, Yucca Valley, CA, July 26, 1969

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 26, 1969
- Place: Yucca Valley, CA · YUCCA VALLEY, CA
- Location: 34.1142° N, 116.4322° W: Placed by OpenAirDocs: center of Yucca Valley, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.1142&lon=-116.4322&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report November 4, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 170495
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX70D0056
- Page: https://openairdocs.org/ntsb/LAX70D0056

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2413  69/7/26    YUCCA VALLEY,CAL    PIPER J4E           CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 18, 75 TOTAL
        TIME - 1525                    N40792              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  HOURS, 21 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - LANDERS
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          SANTA MONICA,CALIF          GIANT ROCK,CALIF             YUCCA VALLEY,CAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           WEATHER - HIGH DENSITY ALTITUDE
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      100
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- DENSITY ALT ABOUT 6400 FT.
```

## Aircraft

- Registration: [N40792](https://openairdocs.org/aircraft/N40792), registered now, S/N 4-1602, built 1941 (OpenAirDocs)
- Reported make and model: PIPER J4E
- Registry model: [Piper J4E](https://openairdocs.org/model/piper-j4e) (registry code 7100610) (OpenAirDocs)
- Registry engine: [Continental A&C75 series](https://openairdocs.org/engine/continental-a-c75-series) (registry code 17005, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Landers

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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