NTSB Identification: LAX86LUG02.
The docket is stored on NTSB microfiche number 33451.
Accident occurred Thursday, February 20, 1986 in HEMET, CA
Aircraft: WHIGHAM GW4A, registration: N24GW
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.

DURING A TOW OPERATION, THE PLT OF THE TOW PLANE STATED THAT JUST AFTER TAKEOFF THE GLIDER ASSUMED A VERY LOW TOW POSITION, THEN SWUNG VERY HIGH TO THE RIGHT THEN TO THE LEFT. AT APRX 250 FT AGL THE GLIDER PLT RELEASED FROM THE TOW PLANE AND EXECUTED A 180 DEG TURN BACK TO THE ARPT. THE TOW PLANE PLT TURNED TO ESCORT THE GLIDER WHEN AT AN ALT OF 150 FT AGL THE GLIDER ENTERED AN 80 TO 90 DEG NOSEDOWN TURN WHICH WAS HELD TO IMPACT. A MEDICAL EXAMINATION OF THE PLT REVEALED THAT HE HAD A HISTORY OF HEART CONDITION AND AT THE TIME OF THE ACCIDENT EXPERIENCED AN ARRHYTHMIA ASSOCIATED WITH THE MOST RECENT MYOCARDIAL INFRACTION. THE PLTS RECORD OF FLT TIME WAS NOT AVAILABLE OR REPORTED.

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

INCAPACITATION(CARDIOVASCULAR)..PILOT IN COMMAND


Contributing Factors

SPIRAL..UNCONTROLLED..PILOT IN COMMAND


Contributing Factors

TERRAIN CONDITION..GROUND


Contributing Factors

REMEDIAL ACTION..NOT POSSIBLE..PILOT IN COMMAND

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