NTSB Identification: CHI87LA086.
The docket is stored on NTSB microfiche number 35895.
Accident occurred Friday, February 20, 1987 in CAMP DOUGLAS, WI
Probable Cause Approval Date: 03/31/1989
Aircraft: CESSNA 172RG, registration: N4601V
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 PASSENGER RPRTD THAT ABOUT 5 MIN AFTER TAKEOFF, THE PLT BECAME INCAPACITATED & WAS NO LONGER ABLE TO MAINTAIN CONTROL OF THE ACFT. THE NON-CERTIFICATED PASSENGER ASSUMED CONTROL. WITH THE ASSISTANCE (INSTRUCTIONS) FROM AN AIRBORNE FLT INSTRUCTOR & AN INSTRUCTOR IN THE CONTROL TOWER AT VOLK ANG BASE, THE PASSENGER WAS ABLE TO MAKE A LANDING, BUT THE ACFT WAS DAMAGED DURING THE OCCURRENCE. A PATHOLOGICAL EXAM REVEALED THERE WAS A COMPLETE DISSECTION OF ASCENDING AORTA, CIRCUMFERENTIAL, 3 CM ABOVE THE AORTIC VALVE WITH CYSTIC MEDIAL NECROSIS & A SUBSEQUENT CARDIAC TAMPONADE.

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

INCAPACITATION(OTHER CARDIOVASCULAR)..PILOT IN COMMAND





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