NTSB Identification: ANC90LA095.
The docket is stored on NTSB microfiche number 42171.
Accident occurred Saturday, June 23, 1990 in DUTCH HARBOR, AK
Probable Cause Approval Date: 11/09/1992
Aircraft: Bell B-47G2A, registration: N8495E
Injuries: 2 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

THE PILOT-IN-COMMAND RECEIVED A WEATHER BRIEFING WHICH RECOMMENDED AGAINST VFR FLIGHT. HE DEPARTED FOR HIS DESTINATION AND ACTIVATED HIS FLIGHT PLAN. THE FLIGHT SERVICE STATION WITH WHICH HE ACTIVATED HIS FLIGHT PLAN CLOSED PRIOR TO N8495E REACHING ITS DESTINATION, BUT THE FLIGHT INFORMATION WAS PASSED ON TO KING SALMON FLIGHT SERVICE STATION. THE AIR TRAFFIC SPECIALIST AT KING SALMON FAILED TO 'SUSPENSE' THE FLIGHT INFORMATION ON N8495E. THIS RESULTED IN THE LACK OF ANY OVERDUE AIRCRAFT REPORT OR SEARCH AND RESCUE. MEANWHILE, N8495E WAS OPERATING IN THE VICINITY OF THE DUTCH HARBOR AIRPORT WHILE IN HEAVY FOG. THE PILOT-IN-COMMAND SAW A CLIFF APPEAR IN FRONT OF THE HELICOPTER AND HE VEERED AWAY AND ANOTHER CLIFF APPEAR AND AS HE VEERED AWAY AGAIN THE HELICOPTER STRUCK THE WATER AND SANK.

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

THE PILOT IN COMMANDS CONTINUED VFR FLIGHT INTO IMC CONDITIONS AND HIS FAILURE TO MAINTAIN ALTITUDE WHILE MANUEVERING TO AVOID TERRAIN.

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