NTSB Identification: SEA84FA111.
The docket is stored on NTSB microfiche number 24563.
Accident occurred Saturday, May 19, 1984 in PORTLAND, OR
Aircraft: STINSON 108-3, registration: N20Q
Injuries: 4 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 PLT WAS BRIEFED ON THE WEATHER ALONG HIS INTENDED ROUTE OF FLT & VFR FLT WAS NOT RECOMMENDED. THE ACFT DEPARTED VANCOUVER, WA, AND FLEW TO TIGARD, OR. IT WAS OBSERVED TO DEPART TIGARD AT ABOUT 1810 PDT. NUMEROUS WITNESSES REPORTED THAT AT ABOUT 1815, THEY SAW AN ACFT MANEUVERING AT LOW ALT NEAR A HIGHWAY, THEN IT DISAPPEARED WHILE FLYING TOWARD RISING TERRAIN. AT ABOUT 1820, RESIDENTS AT OR NEAR THE CREST OF THE HILLS HEARD THE ACFT CRASH. THE ACFT HAD HIT SUPPORTING GUY WIRE(S) FOR TOWER(S)S AT A RADIO/TV ANTENNA FARM. IMPACT OCCURRED AT ABOUT 250 FT AGL. REPORTEDLY, THE TOWERS WERE NOT VISIBLE DUE TO CLOUDS & FOG.

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

FLIGHT INTO KNOWN ADVERSE WEATHER..INITIATED..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..CLOUDS


Contributing Factors

TERRAIN CONDITION..RISING


Contributing Factors

WEATHER CONDITION..LOW CEILING


Contributing Factors

WEATHER CONDITION..FOG


Contributing Factors

WEATHER CONDITION..RAIN


Contributing Factors

WEATHER CONDITION..OBSCURATION



Contributing Factors

OBJECT..GUY WIRE

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