NTSB Identification: DEN86FA054.
The docket is stored on NTSB microfiche number 30691.
Accident occurred Tuesday, December 24, 1985 in MONUMENT VALLEY, UT
Aircraft: BELL 206-L3, registration: N10UB
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.
THE HELICOPTER CONTACTED POWER LINES AND THE TERRAIN DURING AN ATTEMPTED TAKEOFF FROM A HOSPITAL AFTER A CANCELLED MED-EVAC FLT. THE HOSPITAL IS LOCATED IN A BOX CANYON SURROUNDED BY HIGH TERRAIN AND POWER LINES. THE PLT WAS AWARE OF THE POWER LINE THAT CROSSED THE PROPOSED FLT PATH. A PASSEN GER STATED, AFTER THE ACCIDENT, THAT THE PLT HOVERED BACK TO THE END OF THE LANDING AREA TO INITIATE THE TAKEOFF. THE HELICOPTER STRUCK THE UNMARKED POWER LINES DURING CLIMBOUT AND DESCENDED TO GROUND IMPACT. A WITNESSES DESCRIBED THE WXAS COLD AND CLEAR WITH CALM GROUND WINDS NEAR THE HOSPITAL. THEY ALSO STATED THE NIGHT WAS BRIGHT BECAUSE OF A FULL MOON.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:PROPER ALTITUDE..NOT MAINTAINED..PILOT IN COMMAND
The National Transportation Safety Board determines the probable cause(s) of this accident to be:CLEARANCE..NOT POSSIBLE..PILOT IN COMMAND
The National Transportation Safety Board determines the probable cause(s) of this accident to be:REMEDIAL ACTION..NOT POSSIBLE..PILOT IN COMMAND
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