1991-09-06: Piper PA32RT-300T — Stanley K. Williams — Mayfield, UT

Casualties unknown • Mayfield, UT, US

Probable cause

POOR IN FLIGHT PLANNING/DECISION. FACTORS TO THE ACCIDENT WERE: FLIGHT INTO KNOWN ADVERSE WEATHER, INADVERTENT VFR FLIGHT INTO IMC AND INADEQUATE CLEARANCE.

— NTSB Determination

Accident narrative

DURING A CROSS COUNTRY FLIGHT, THE PILOT REPORTED THAT HE WAS TURNING AROUND TO RETURN TO HIS DEPARTURE POINT BECAUSE OF WEATHER CONDITIONS THAT DID NOT PERMIT CONTINUED FLIGHT UNDER VFR CONDITIONS. THE PILOT LAST REPORTED AT 10,500 FEET AND BETWEEN LAYERS. THE WRECKAGE WAS LOCATED AT 10,800 FEET IN MOUNTAINOUS TERRAIN THAT ROSE TO 11,000 FEET.

Frequently asked questions

What happened in the 1991-09-06 Piper PA32RT-300T accident near Mayfield, UT?

DURING A CROSS COUNTRY FLIGHT, THE PILOT REPORTED THAT HE WAS TURNING AROUND TO RETURN TO HIS DEPARTURE POINT BECAUSE OF WEATHER CONDITIONS THAT DID NOT PERMIT CONTINUED FLIGHT UNDER VFR CONDITIONS. THE PILOT LAST REPORTED AT 10,500 FEET AND BETWEEN LAYERS. THE WRECKAGE WAS LOCATED AT 10,800 FEET IN MOUNTAINOUS…

What aircraft was involved and where did it happen?

The accident on 1991-09-06 involved a Piper PA32RT-300T, registration N3006J, operated by Stanley K. Williams, at Mayfield, UT.

What was the probable cause of the accident?

POOR IN FLIGHT PLANNING/DECISION. FACTORS TO THE ACCIDENT WERE: FLIGHT INTO KNOWN ADVERSE WEATHER, INADVERTENT VFR FLIGHT INTO IMC AND INADEQUATE CLEARANCE.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001212X18186. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.

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