NTSB Identification: DEN84LA176.
The docket is stored on NTSB microfiche number 24628.
Accident occurred Sunday, June 10, 1984 in AFTON, WY
Aircraft: CESSNA 150M, registration: N8564U
Injuries: 2 Uninjured.

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 PLT DEPARTED RWY 16 WITH THE INTENTION OF REPOSITIONING THE ACFT ON THE ARPT AFTER LANDING. HE ESTIMATED THE SURFACEWINDS WERE FROM THE SOUTHEAST AT 15 KTS. A WITNESS STATED THAT THE WINDS HAD CHANGED DIRECTIONS ABOUT EIGHT TIMES DURING THE DAY. THE PLT STATED THAT AFTER CLIMBING TO ABOUT 400 FT, DOWNDRAFTS & VIOLENT TURBULENCE WERE ENCOUNTERED AND ALT COULD NOT BE MAINTAINED. THE ACFT SETTLED INTO A HAY FIELD WHERE IT NOSED OVER. AT THE TIME OF THE ACCIDENT, THE DENSITY ALT WAS ABOUT 6240 FT. THE ESTIMATED GROSS WEIGHT OF THE ACFT DURING TAKEOFF WAS 1537 LBS.

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

PLANNING/DECISION..IMPROPER..PILOT IN COMMAND

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

ALTITUDE..NOT MAINTAINED..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..UNFAVORABLE WIND


Contributing Factors

WEATHER CONDITION..DOWNDRAFT


Contributing Factors

WEATHER CONDITION..TURBULENCE


Contributing Factors

WEATHER CONDITION..HIGH DENSITY ALTITUDE

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