NTSB Identification: DEN85LTM05.
The docket is stored on NTSB microfiche number 28413.
Accident occurred Thursday, August 01, 1985 in ROCK SPRINGS, WY
Aircraft: INTERSTATE S-1A, registration: N37438
Injuries: 2 Serious.
NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.
WHILE ON A X-COUNTRY FLT, THE ACFT ENCOUNTERED TURBULENCE & DOWNDRAFTS. THE PLT STATED THAT AT 1ST, HE WAS NOT CONCERNED, BUT THEN IT BECAME APPARENT THAT THE ACFT MAY IMPACT THE GROUND. THE ACFT HAD LIMITED POWER (75 HP) & THE TERRAIN ELEVATION IN THAT AREA WAS APRX 7000 FT MSL. SUBSEQUENTLY, THE ACFT DESCENDED INTO THE GROUND & FLIPPED OVER AFTER IMPACT.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:IN-FLIGHT PLANNING/DECISION..IMPROPER..PILOT IN COMMAND
TERRAIN CONDITION..HIGH TERRAIN
WEATHER CONDITION..HIGH DENSITY ALTITUDE
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