NTSB Identification: DEN84LA035.
The docket is stored on NTSB microfiche number 23062.
Accident occurred Thursday, December 01, 1983 in COLORADO SPRING, CO
Aircraft: SCHWEIZER SGS1-36, registration: N3621B
Injuries: 1 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 PLT REPORTED THAT DURING HIS APCH TO LAND, THE GLIDER ENCOUNTERED TURBULENCE. HE STATED THAT HE WAS 'UNABLE TO MAINTAIN DIRECTIONAL CONTROL ON LANDING CONTACT WITH GROUND.' THE GLIDER TOUCHED DOWN IN A LEFT YAW. SHORTLY AFTER TOUCHDOWN, HE REGAINED DIRECTIONAL CONTROL & CONTINUED THE LANDING TO A NORMAL STOP. A POST FLT EXAM REVEALED DAMAGE TO THE GLIDER'S GEAR BOX. THE PLT BELIEVED THAT THE TURBULENCE MIGHT HAVE BEEN ASSOCIATED WITH A ROTOR IN THE 3RD STANDING WAVE CYCLE OF A MOUNTAIN WAVE.

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

COMPENSATION FOR WIND CONDITIONS..INADEQUATE..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..HIGH WIND


Contributing Factors

WEATHER CONDITION..MOUNTAIN WAVE


Contributing Factors

WEATHER CONDITION..TURBULENCE

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