NTSB Identification: DEN89FA020.
The docket is stored on NTSB microfiche number 37709.
Accident occurred Thursday, October 20, 1988 in LAKETOWN, UT
Probable Cause Approval Date: 11/07/1989
Aircraft: PIPER PA-60-601P, registration: N6069U
Injuries: 1 Fatal.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

THE PLT DEPARTED SALT LAKE CITY ON A PLEASURE FLT TO BEAR LAKE TO OVERFLY A HOME THAT HE OWNED. WITNESSES NEAR THE ACC SITE STATED THEY SAW THE ACFT CIRCLE OVER THE HOUSE AND THEN DEPART THE AREA OVER A RIDGE OF MTNS. THE ACFT TURNED OUT OVER THE LAKE AND WAS IN STRAIGHT AND LEVEL FLT SHORTLY BEFORE IT DESCENDED AT A STEEP ANGLE INTO THE WATER. THE AUTOPSY PERFORMED ON THE PLT REVEALED CORONARY ARTERIOSCLEROSIS. THE ASST MEDICAL EXAMINER STATED IN THE AUTOPSY REPORT THE PLT 'MAY HAVE BEEN RENDERED INCAPACITATED BY AN ACUTE CARDIAC ARRHYTHMIA.'

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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