NTSB Identification: SEA86FA035.
The docket is stored on NTSB microfiche number 29974.
Accident occurred Sunday, January 05, 1986 in KELSO, WA
Aircraft: PIPER PA28-151, registration: N43552
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.

ENROUTE TO DEST. PLT DIVERTED TO NEARBY AIRFIELD DUE DETERIORATING WEATHER. ONE HR LATER, TELEPHONE WEATHER BRIEF FOR CONTINUED FLT TO DEST WAS VFR NOT RECOMMENDED. LESS THAN 2 HRS. LATER, WITH NO FURTHER BRIEF, ACFT DEPARTED. A FOLLOWING ACFT REVSD COURSE AND RE-LANDED, REPTNG CLG 800 FT, VIS 2 MILES, WITH CLG RAPIDLY LOWERING TO 500 FT AFTER TAKEOFF. MISHAP ACFT FOUND BY SAR NEXT DAY AT 800 FT LEVEL OF RISING TERRAIN 11 MILES FROM TAKEOFF. TOX POSITIVE FOR MARIJUANA IN BOTH OCCUPANTS.

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

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


Contributing Factors

PREFLIGHT PLANNING/PREPARATION..IMPROPER..PILOT IN COMMAND


Contributing Factors

PREFLIGHT BRIEFING SERVICE..DISREGARDED..PILOT IN COMMAND


Contributing Factors

SELF-INDUCED PRESSURE..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..LOW CEILING


Contributing Factors

WEATHER CONDITION..FOG


Contributing Factors

WEATHER CONDITION..RAIN

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