CIMA, CA, USA
N9613F
CESSNA 208
WHILE ON A DAY/VFR FLT FROM ONTARIO, CA TO LAS VEGAS, NV, THE ACFT COLLIDED WITH MOUNTAINOUS TERRAIN NEAR THE TOP OF A 6500' PEAK. RADAR DATA SHOWED THAT APRX 20 MIN BEFORE THE ACDNT, THE ACFT BEGAN A GRADUAL DSCNT FROM ABOUT 10,000'. NO PREIMPACT PART FAILURE OR MALFUNCTION OF THE ACFT, ENG OR AUTOPLT WAS FOUND. THE PLT HAD A REST PERIOD ON THE PREVIOUS DAY, BUT THE INVESTIGATION DID NOT DETERMINE WHETHER HE HAD OBTAINED ANY SLEEP BEFORE A 1700 PST FLT. AFTER THE 1700 PST FLT, HE VOLUNTARILY FLEW ON A LATE NIGHT FLT WITH ANOTHER COMPANY. THAT FLT WAS DELAYED IN RETURNING & DID NOT LAND AT ONTARIO UNTIL ABOUT 0500 PST THE NEXT MORNING. APRX 41 MIN LATER, THE PLT TOOK OFF ON THE ACDNT FLT.
Source: NTSB Aviation Accident Database
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