NTSB Identification: DEN87FA230.
The docket is stored on NTSB microfiche number 34547.
Accident occurred Friday, September 04, 1987 in CEDAR CITY, UT
Probable Cause Approval Date: 10/06/1988
Aircraft: CESSNA 170B, registration: N3541D
Injuries: 1 Fatal,2 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.

WHILE ON A X-COUNTRY FLT THE PLT FLEW INTO A CANYON WHERE TURBULENCE WAS ENCOUNTERED. THE PLT STATED THAT HE WAS UNABLE TO MAINTAIN ALT AND DURING THE DESCENT THE ACFT COLLIDED WITH THE TERRAIN IN A SMALL SIDE CANYON.

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

IN-FLIGHT PLANNING/DECISION..IMPROPER..PILOT IN COMMAND

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

PROPER ALTITUDE..NOT MAINTAINED..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..TURBULENCE,CLEAR AIR



Contributing Factors

WEATHER CONDITION..DOWNDRAFT

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