NTSB Identification: DEN84FA166.
The docket is stored on NTSB microfiche number 25926.
Accident occurred Wednesday, May 30, 1984 in DUCHESNE, UT
Aircraft: Beech BB-55, registration: N6757Z
Injuries: 1 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.

ACFT COLLIDED WITH A MOUNTAIN AT AN ELEVATION OF 12,000 FT MSL. WX AT ROOSEVELT, UT, 42 NM SE OF THE ACCIDENT SITE AT 2030 MDT WAS ESTIMATED 7,000 FT BKN, 25,000 FT BKN, 40 MILES VISIBILITY, 70 DEG F, WITH CUMULUS NIMBUS CLOUDS NE AND SE. RADAR SUMMARY CHARTS SHOW NUMEROUS SCATTERED SHOWERS AND THUNDERSTORMS THROUGHOUT THE AREA AS WERE FORECAST. ACCIDENT OCCURRED APRX 6 MILES NORTH OF VICTOR AIRWAY 101. MINIMUM EN RUOTE ALT FOR V101 IS 15,000 FT MSLWITH A MINIMUM OBSTRUCTION CLEARANCE ALT OF 14,600 FT MSL. NO FLIGHT PLAN WAS FILED FOR THE FLT AND THE ACFT WAS NOT UNDER RADAR CONTACT. NO RECORD OF THE PLT OBTAINING A WX BRIEFING BEFORE THE FLT COULD BE FOUND.

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

VFR PROCEDURES..NOT FOLLOWED..PILOT IN COMMAND

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

ALTITUDE..INADEQUATE..PILOT IN COMMAND


Contributing Factors

TERRAIN CONDITION..MOUNTAINOUS/HILLY


Contributing Factors

WEATHER CONDITION..CLOUDS


Contributing Factors

LIGHT CONDITION..DARK NIGHT


Contributing Factors

PREFLIGHT BRIEFING SERVICE..NOT OBTAINED..PILOT IN COMMAND

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