NTSB Identification: DEN85FA227.
The docket is stored on NTSB microfiche number 30380.
Nonscheduled 14 CFR
Accident occurred Wednesday, August 21, 1985 in VERNAL, UT
Aircraft: PIPER PA-31B-310, registration: N7497L
Injuries: 1 Serious.
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 CANCELLED HIS IFR PLAN AND BEGAN DESCENT FROM 13000 FT IN PREPARATION FOR LANDING AT VERNAL, UT. THE ACFT IMPACTED GROUND IN WINGS LEVEL ATTITUDE UNDER POWER. PLT WAS SERIOUSLY BURNED BY POST-CRASH GROUND FIRE. INVESTIGATION REVEALED NO EVIDENCE OF FLIGHT CONTROL FAILURE PRIOR TO IMPACT. IT WAS LEARNED PLT HAD FLOWN SMALL ACFT FROM SALT LAKE CITY TO PRICE, UT, AND TO PIERRE, SD, THE DAY BEFORE THE ACCIDENT. PLT RETURNED TO SALT LAKE CITY AT 0200 ON DAY OF ACCIDENT. ACCIDENT FLT DEPARTED SALT LAKE CITY AT 0600. FAA PHYSICIAN OPINED THAT PLT WAS ASLEEP AT IMPACT. ACFT WAS FLYING INTO RISING SUN.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:FATIGUE(CHRONIC)..PILOT IN COMMAND
The National Transportation Safety Board determines the probable cause(s) of this accident to be:FATIGUE(LACK OF SLEEP)..PILOT IN COMMAND
JUDGMENT..POOR..PILOT IN COMMAND
TERRAIN CONDITION..OPEN FIELD
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