NTSB Identification: CHI85LA247.
The docket is stored on NTSB microfiche number 28719.
Accident occurred Sunday, June 23, 1985 in GREGORY, MI
Aircraft: LET L-13, registration: N14420
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 GLIDER LANDED IN TREES AFTER THE SPOILER 'POPPED' OPEN IN FLT DURING A TOWED TAKEOFF. THE TOW PLANE RELEASED THE GLIDER AT 300 FT AGL AFTER THE SPOILERS OPENED. THE PLT LANDED WITHOUT RETRACTING THE SPOILERS. TWO FAA INSPECTORS STATED THAT THEY CHECKED THE SPOILERS OPERATION AND THEY OPERATED NORMALLY.

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

SPOILER EXTENSION..INADVERTENT..PILOT IN COMMAND

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

SPOILER RETRACTION..NOT PERFORMED..PILOT IN COMMAND

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

PROPER TOUCHDOWN POINT..MISJUDGED..PILOT IN COMMAND


Contributing Factors

IN-FLIGHT PLANNING/DECISION..MISJUDGED..PILOT IN COMMAND


Contributing Factors

QUALIFICATION..PILOT IN COMMAND


Contributing Factors

QUALIFICATION..PILOT IN COMMAND


Contributing Factors

LACK OF EXPERIENCE..PILOT IN COMMAND


Contributing Factors

LACK OF EXPERIENCE..PILOT IN COMMAND


Contributing Factors

LACK OF FAMILIARITY WITH AIRCRAFT..PILOT IN COMMAND


Contributing Factors

LACK OF FAMILIARITY WITH AIRCRAFT..PILOT IN COMMAND

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