NTSB Identification: DEN84FA300.
The docket is stored on NTSB microfiche number 27102.
Accident occurred Friday, September 21, 1984 in MISSOULA, MT
Aircraft: BEECH V35, registration: N3736Q
Injuries: 3 Fatal.

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.

ON SEPT 21, 1984, A BEECH 35, N3736Q CRASHED INTO THE SIDE OF A MOUNTAIN 16 MILES NE OF MISSOULA, MT WHILE ON A VOR/DME8INSTRUMENT APPROACH. THE PLT REPORTED ICING, TURBULENCE, AND INTERMITTANT VOR-DME RECEPTION. THE LAST REPORTED ALTITUDE BY THE PLT WAS 8500 FT ON A HEADING OF 250.. MISSOULA APPROACH CONTROL INSTRUCTED THE PLT TO ARC SOUTHEAST 16 NM AND TO INTERCEPT THE 152. RADIAL INBOUND TO ABORT FINAL APPROACH FIX. THE AIRCRAFT WAS APPROACHING THE ARC FROM THE EAST AND A LEFT TURN WAS REQUIRED. INSTEAD, THE PLT TURNED RIGHT AND PROCEEDED TO THE NW. HIS LAST POSITION REPORT WAS THE 16 NM ARC AT THE 028 RADIAL. THE CRASH SITE WAS LOCATED AT 14 NM ON THE 013. RADIAL OF THE MISSOULA VORTAC.

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

IFR PROCEDURE..IMPROPER..PILOT IN COMMAND

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

PLANNED APPROACH..NOT PERFORMED..PILOT IN COMMAND

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

MINIMUM DESCENT ALTITUDE..NOT MAINTAINED..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..ICING CONDITIONS


Contributing Factors

TERRAIN CONDITION..MOUNTAINOUS/HILLY


Contributing Factors

WEATHER CONDITION..TURBULENCE IN CLOUDS


Contributing Factors

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

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