NTSB Identification: LAX89LA039.
The docket is stored on NTSB microfiche number 38348.
Accident occurred Saturday, November 05, 1988 in YUCCA VALLEY, CA
Probable Cause Approval Date: 11/24/1989
Aircraft: AEROSPATIALE TB-20, registration: N94TB
Injuries: 2 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

THE STUDENT PLT AND THE CFI AGREED THAT THE ACFT DEVELOPED A HIGH SINK RATE AS IT PASSED OVER THE DEPARTURE END OF THE DIRT RWY. THE ACFT COLLIDED WITH THE GROUND ABOUT 3/4 MILE FROM THE RWYS END. THE WINDS WERE VARIABLE BUT BASICALLY FROM THE SOUTH AT 15-20 KTS. THE DA WAS 4500 FT. A GROUND WITNESSES THOUGHT HE HEARD THE ENG SPUTTER AT THE RWYS END. THE CFI SAID THAT BECAUSE OF THE LACK OF CLIMB HE CHECKED THAT THE THROTTLE WAS FULLY OPEN AND THEN LOOKED BACK OUTSIDE. HE SAID THAT THE STUDENT DID ALL THAT HE THOUGHT COULD BE DONE SO HE DID NOT INTERFERE IN CONTROLLING THE ACFT. NO MALFUNCTIONS WERE REPORTED BY THE PLTS.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

COMPENSATION FOR WIND CONDITIONS..INADEQUATE..PILOT IN COMMAND(CFI)


Contributing Factors

WEATHER CONDITION..HIGH WIND


Contributing Factors

TERRAIN CONDITION..SOFT


Contributing Factors

WEATHER CONDITION..CROSSWIND


Contributing Factors

WEATHER CONDITION..GUSTS


Contributing Factors

WEATHER EVALUATION..INADEQUATE..PILOT IN COMMAND(CFI)


Contributing Factors

WEATHER CONDITION..HIGH DENSITY ALTITUDE

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