# NTSB LAX74FUQ07: Cessna 150K, N6393G, Lckwood Vly, CA, July 29, 1973

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: July 29, 1973
- Place: Lckwood Vly, CA · LCKWOOD VLY, CA
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report October 15, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 189268
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX74FUQ07
- Page: https://openairdocs.org/ntsb/LAX74FUQ07

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2416  73/7/29    LCKWOOD VLY,CALIF   CESSNA 150K         CR-  0  0  1  INSTRUCTIONAL             STUDENT, AGE 31, 43 TOTAL
        TIME - 1345                    N6393G              PX-  0  0  0  TRAINING                  HOURS, ALL IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - CONOVER RANCH
        DEPARTURE POINT             INTENDED DESTINATION
          FRESNO,CALIF                HAWTHORNE,CALIF
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - STICKING
           WEATHER - UNFAVORABLE WIND CONDITIONS
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: OTHER
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        WEATHER BRIEFING - BRIEFING RECEIVED-METHOD UNKNOWN
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
        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                  RELATIVE BEARING OF WIND
          NONE                                                     LEFT CROSS WIND 248-292 DEGREES
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          360                                                       25
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- #2 EXHAUST VALVE STUCK IN GUIDE.XWIND 090 AT 25K ON ONLY RWY AVAIL.XWIND RWY BLOCKED.
```

## Aircraft

- Registration: N6393G (not matched to a registry record)
- Reported make and model: CESSNA 150K
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Conover Ranch

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19730729026009A](https://openairdocs.org/incident/19730729026009A), Jul 29, 1973: Cessna 150K, Lckwood Vly, CA, Substantial damage. #2 Exhaust valve stuck in guide. Xwind 090 at 25K on only rwy avail. Xwind rwy blocked.

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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