NTSB Identification: FTW85LA217.
The docket is stored on NTSB microfiche number 29547.
Accident occurred Saturday, May 11, 1985 in CHATTANOOGA, OK
Aircraft: CHAMPION 7KCAB, registration: N5285X
Injuries: 1 Fatal.

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 PILOT WAS TOW LAUNCHING A GLIDER. WHEN ABOUT 200 FEET ABOVE GROUND LEVEL AND FOR UNKNOWN REASONS THE GLIDER SUDDENLY GAINED UNWANTED ALTITUDE AND CLIMBED ABOVE THE TOW PLANE. THIS PITCHED THE NOSE OF THE TOW PLANE DOWNWARD BEFORE THE TOW LINE COULD BE RELEASED. RELEASE WAS ACCOMPLISHED BY BOTH PILOTS, HOWEVER, THE TOW PLANE WAS UNABLE TO RECOVER AND GROUND IMPACT OCCURRED AT ABOUT A 45 DEGREE NOSE DOWN ALTITUDE WITH THE LEFT WING LOW. THE GLIDER PILOT CIRCLED BACK TO THE RUNWAY AND MADE A SUCCESSFUL LANDING.

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

GLIDER LAUNCH/TOW EQUIPMENT..ERRATIC

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

MANEUVER..EXCESSIVE..PILOT OF OTHER AIRCRAFT

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

DESCENT..INADVERTENT..PILOT IN COMMAND

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

DESCENT..NOT ATTAINED..PILOT IN COMMAND

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