# NTSB LAX71AL009: Cessna 150, N4412U, Wrightwood, CA, September 6, 1970

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: September 6, 1970
- Place: Wrightwood, CA · WRIGHTWOOD, CA
- Location: 34.3437° N, 117.6309° W: Placed by OpenAirDocs: center of Wrightwood, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.3437&lon=-117.6309&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report June 1, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 180436
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX71AL009
- Page: https://openairdocs.org/ntsb/LAX71AL009

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3170   70/9/6    WRIGHTWOOD,CALIF    CESSNA 150          CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 22, 117
        TIME - 1600                    N4412U              PX-  1  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 70 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          LAVERNE,CALIF               RIVERSIDE,CALIF
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL                                                    IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           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                                                      66
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
           90                                                       4
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      VFR
         FIRE AFTER IMPACT
        REMARKS- OBS SAW ACFT DIVE FROM TURN IN CANYON. PLT HAD NO MTN FLYING TRNG. DENSITY ALT ABOUT 7500 FT.
```

## Aircraft

- Registration: [N4412U](https://openairdocs.org/deregistered/N4412U-1972-01-25), registration cancelled 1972-01-25, S/N 15060412, built 1964 (OpenAirDocs)
- Reported make and model: CESSNA 150
- Registry model: [Cessna 150D](https://openairdocs.org/model/cessna-150d) (registry code 2071810) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

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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