NTSB Identification: MIA92LA122.
The docket is stored on NTSB microfiche number 46455.
Accident occurred Monday, May 04, 1992 in BOYNTON BEACH, FL
Probable Cause Approval Date: 08/26/1993
Aircraft: LET L-13, registration: N99946
Injuries: 1 Minor.

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 FLT TURNED BASE WITH PARTIAL SPOILERS EXTENDED THEN TURNED FINAL, & ENCOUNTERED A 'SEVERE DOWNDRAFT.' THE PLT RETRACTED THE SPOILERS BUT THE DESCENT CONTINUED UNTIL IMPACT WITH TREES APPROXIMATELY 300 FT SHORT OF THE RWY. HE HAD ACCUMULATED 3 HRS TOTAL TIME MAKE & MODEL DURING 8 DUAL & 12 SOLO FLIGHTS IN THE PRECEDING 30 DAYS.

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

PREMATURE EXTENSION OF THE SPOILERS BY THE PILOT DURING APPROACH TO LAND. CONTRIBUTING TO THE ACCIDENT WAS HIS LACK OF TOTAL EXPERIENCE IN THE TYPE OF AIRCRAFT AND IN-FLIGHT ENCOUNTER WITH A DOWNDRAFT.

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