NTSB Identification: DEN85FA202.
The docket is stored on NTSB microfiche number 28944.
Accident occurred Monday, July 29, 1985 in WILSALL, MT
Aircraft: CESSNA 172RG, registration: N6156R
Injuries: 1 Fatal,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 OBTAINED A WX BRIEFING THAT FORECAST IMC. HE FILED A VFR FLT PLAN AND DEPARTED POLSON, MONTANA AT 0830 EN ROUTE TO POWELL, WYOMING. THE PLT SAID HE ENCOUNTERED LOW CEILINGS, LOW VISIBILITIES, AND DRIZZLE JUST PAST HELENA, MONTANA BUT HE CONTINUED. THE PLT SAID WHEN HE THOUGHT HE COULD GO NO FURTHER HE SLOWED THE ACFT AND STARTED A LEFT TURN. THE ACFT COLLIDED WITH TREES AND CRASHED INTO THE GROUND AT ABOUT 1010.

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

PREFLIGHT PLANNING/PREPARATION..POOR..PILOT IN COMMAND

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

FLIGHT INTO KNOWN ADVERSE WEATHER..INITIATED..PILOT IN COMMAND

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

VFR FLIGHT INTO IMC..CONTINUED..PILOT IN COMMAND












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