NTSB Identification: DEN88LA178.
The docket is stored on NTSB microfiche number 37243.
Accident occurred Saturday, August 06, 1988 in CLINTON, MT
Probable Cause Approval Date: 07/03/1989
Aircraft: TAYLORCRAFT BC12-D, registration: N95855
Injuries: 2 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 PLT RPRTD THAT DRG TAKEOFF FROM RWY 25, THE WINDS WERE FROM 270 DEG AT 10 GUSTING 15 KTS. HE STATED THAT DRG THE INITIAL CLIMB, THE AIRPLANE ENCTRD A SEVERE WINDSHEAR. SUBSEQUENTLY, HE LOST CONTROL & THE ACFT STRUCK THE GROUND IN A 40 DEG NOSE DOWN, 70 DEG LEFT BANK ATTITUDE. THE ACFT THEN CARTWHEELED & CAME TO REST INVERTED ON THE RWY. THE LEFT WING WAS SHEARED AT THE STRUT ENDS, THE FUSELAGE WAS BENT & THE ENG WAS TORN AWAY FROM THE ACFT. THE PLT SAID HE FELT THE ACFT HAD ENCTRD A WHIRLWIND. ALSO, THE PLT NOTED THAT THERE WAS MOUNTAINOUS TERRAIN NEARBY & WHIRLWINDS WERE COMMON. HOWEVER, JUST BEFORE THE ACDNT, RAIN HAD FALLEN, WHICH WOULD HAVE PREVENTED BLOWING DUST FROM MAKING WHIRLWINDS VISIBLE.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:WEATHER CONDITION..UNFAVORABLE WIND
The National Transportation Safety Board determines the probable cause(s) of this accident to be:AIRSPEED..INADEQUATE..PILOT IN COMMAND
The National Transportation Safety Board determines the probable cause(s) of this accident to be:STALL..INADVERTENT..PILOT IN COMMAND
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