# NTSB LAX71FUG18: Mooney M20C, N6243U, Corona, CA, September 26, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 26, 1970
- Place: Corona, CA · CORONA, CA
- Location: 33.8753° N, 117.5664° W: Placed by OpenAirDocs: center of Corona, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.8753&lon=-117.5664&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report July 7, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 158572
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX71FUG18
- Page: https://openairdocs.org/ntsb/LAX71FUG18

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3850  70/9/26    CORONA,CALIF        MOONEY M20C         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 38, 2980
        TIME - 1500                    N6243U              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 271 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - CORONA
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          LA VERNE,CALIF              BIG BEAR LAKE,CALIF          CORONA,CALIF
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: OBJECT                                    LANDING: LEVEL OFF/TOUCHDOWN
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PERSONNEL - AIRPORT SUPERVISORY PERSONNEL: IMPROPER MAINTENANCE-AIRPORT FACILITIES
           PERSONNEL - AIRPORT SUPERVISORY PERSONNEL: FAILURE TO NOTIFY OF UNSAFE COND/AND OR FAILURE TO MARK OBSTRUCTION
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: HIGH VEGETATION
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
           WEATHER - UNFAVORABLE WIND CONDITIONS
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        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                  RELATIVE BEARING OF WIND
          NONE                                                     LEFT QUARTERING HEAD WIND 293-337 DEGREES
        TEMPERATURE-F                                            WIND DIRECTION-DEGREES
           80                                                       40
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           15                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- RWY ABOUT SAME WIDTH AS ACFT WG SPAN,BORDERED BY 4 FT WEEDS.CAUGHT WG.NOTAM WASNT ISSUED.
```

## Aircraft

- Registration: [N6243U](https://openairdocs.org/deregistered/N6243U-1977-01-21), registration cancelled 1977-01-21, S/N 2082 (OpenAirDocs)
- Reported make and model: MOONEY M20C
- Registry model: [Mooney M20C](https://openairdocs.org/model/mooney-m20c) (registry code 5870208) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Corona

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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