NTSB Identification: SEA88FA024.
The docket is stored on NTSB microfiche number 35605.
Accident occurred Friday, November 13, 1987 in CAMBRIDGE, ID
Probable Cause Approval Date: 02/14/1989
Aircraft: CESSNA 180G, registration: N4613U
Injuries: 2 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.

DURING A FUEL STOP AT ELKO, NV THE PILOT REQUESTED A WEATHER BRIEFING FOR VFR FLIGHT TO LANDER, WY OR TO COUER D'ALENE, ID. THE FAA FSS BRIEFED HIM ON ADVERSE WEATHER TO BOTH DESTINATIONS, WITH FLIGHT ADVISORIES FOR MOUNTAIN OBSCURATIONS, OCCASIONAL SEVERE TURBULENCE AND SEVERE ICING IN CLOUDS AND PRECIPITATION. THE PILOT DEPARTED WITHOUT A FLIGHT PLAN OR STATED DESTINATION. WHILE ENROUTE, THE PILOT CALLED THE CEDAR CITY FLIGHT ADVISORY FACILITY FOR A WEATHER UPDATE AND WAS AGAIN ADVISED OF ADVERSE WEATHER ALONG THE ROUTE OF FLIGHT. WHEN THE FLIGHT FAILED TO ARRIVE AT LANDER, WY, A SEARCH WAS INITIATED BUT SUSPENDED AFTER 10 DAYS DUE TO LACK OF FLIGHT PLAN OR DESTINATION INFORMATION. THE WRECKAGE WAS LOCATED UNDER A 7 STRAND, 230 KV ELECTRIC TRANSMISSION LINE BY A LOCAL RESIDENT 13 DAYS AFTER THE MISHAP. THE AIRCRAFT HAD ELECTRIC ARC BURN MARKS FROM IMPACT WITH THE ELECTRIC WIRES.

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

WEATHER FORECAST..DISREGARDED..PILOT IN COMMAND

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

IN-FLIGHT WEATHER ADVISORIES..DISREGARDED..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


Contributing Factors

WEATHER CONDITION..LOW CEILING


Contributing Factors

OBJECT..WIRE,TRANSMISSION


Contributing Factors

OVERCONFIDENCE IN PERSONAL ABILITY..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..RAIN


Contributing Factors

WEATHER CONDITION..ICING CONDITIONS

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