NTSB Identification: SEA84FA088.
The docket is stored on NTSB microfiche number 24522.
Accident occurred Monday, April 16, 1984 in DIAMOND LAKE, OR
Aircraft: CESSNA 150L, registration: CGHLW
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.
THE ACFT WAS ON A FLT FROM SACRAMENTO, CA TO VANCOUVER, BRITISH COLUMBIA, VIA RED BLUFF, KLAMMATH FALLS, EUGENE, PORTLAND & SEATTLE. DURING A WX BRIEFING AT 0545 PST, THE NON-INSTRUMENT RATED PLT WAS ADVISED THAT VFR FLT WAS NOT RECOMMENDED. HOWEVER, HE FILED A VFR FLT PLAN & PROCEEDED ON THE TRIP. WHEN HE FILED A FLT PLAN FROM KLAMMATH FALLS TO EUGENE, HE INDICATED THAT HE WOULD BE CRUISING AT 11,500 FT. SUBSEQUENTLY, THE ACFT CRASHED INTO WOODED TERRAIN AT AN ELEVATION OF ABOUT 5650 FT. THE ACFT CAME TO REST IN A NOSE DOWN ATTITUDE & PARTIALLY BURIED IN SNOW. AN EXAM OF THE ACFT REVEALED NO PREIMPACT PART FAILURE OR MALFUNCTION. THERE WAS EVIDENCE THAT THE ENG WAS PROVIDING POWER DURING IMPACT. PERSONNEL LOCATED ABOUT 4 MI NORTH OF THE ACCIDENT SITE REPORTED THE VISIBILITY WAS EXTREMELY LOW WITH FOG.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:VFR FLIGHT INTO IMC..CONTINUED..PILOT IN COMMAND
TERRAIN CONDITION..HIGH TERRAIN
FLIGHT INTO KNOWN ADVERSE WEATHER..INITIATED..PILOT IN COMMAND
OVERCONFIDENCE IN PERSONAL ABILITY..PILOT IN COMMAND
LACK OF TOTAL INSTRUMENT TIME..PILOT IN COMMAND
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