NTSB Identification: LAX77FUG01
14 CFR Part 91 General Aviation
Aircraft: GRUM AMER AA-5B, registration: N74110
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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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3-2723   76/10/1 NR.BIG BEAR CITY,CA   GRUM AMER AA-5B     CR-  0  1  0  NONCOMMERCIAL             COMMERCIAL, AGE 26, 1606
        TIME - 1000                    N74110              PX-  0  1  0  AERIAL SURVEY             TOTAL HOURS, 128 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         BIG BEAR CITY,CA             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           WEATHER - DOWNDRAFT,UPDRAFTS
        FACTOR(S)
           WEATHER - HIGH DENSITY ALTITUDE
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        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                                                      50
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          180                                                       10
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- LOW SLOW FLT 200FT AGL. ENCNTRD DOWNDRAFT. D/A ABT 8100FT.
Full narrative is not available


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