NTSB Identification: SEA83LA023
14 CFR Part 91: General Aviation
Accident occurred Saturday, November 20, 1982 in CASCADE LOCKS, OR
Probable Cause Approval Date: 11/20/1983
Aircraft: PIPER PA-24-250, registration: N8185P
Injuries: 3 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.

WHILE CRUISING AT 10000 FEET MSL, IN IMC CONDITIONS, THE PILOT REPORTED THAT POWER HAD BEEN LOST. DURING DESCENT TO 2000 FEET THE ENGINE RESTARTED AND FAILED SEVERAL TIMES BUT EVENTUALLY MAINTAINED IDLE THROUGHOUT THE REMAINDER OF THE DESCENT. PORTLAND APPROACH CONTROL PROVIDED VECTORS TO THE PILOT DURING DESCENT AND THE AIRCRAFT BROKE OUT INTO LIGHT RAIN/SNOW AT 300 FEET AGL, AND 1000 FEET FROM THE APPROACH END OF RUNWAY 06. DURING LANDING THE PILOT INTENTIONALLY SKIDDED THE AIRCRAFT, COLLAPSING THE GEAR, TO PREVENT THE AIRCRAFT FROM OVER RUNNING. THE PILOT STATED THAT FREEZING WATER IN THE ALTERNATE AIR SYSTEM PREVENTED THE ALTERNATE AIR GATE FROM OPERATING AND PREVENTED SUFFICIENT AIR TO THE ENGINE.

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

FUEL SYSTEM,RAM AIR/INDUCTION AIR..BLOCKED(PARTIAL)

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

FUEL SYSTEM,RAM AIR/INDUCTION AIR..ICE

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

GROUND LOOP/SWERVE..INTENTIONAL..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..ICING CONDITIONS


Contributing Factors

LANDING GEAR..OVERLOAD


Contributing Factors

WEATHER CONDITION..RAIN


Contributing Factors

WEATHER CONDITION..SNOW

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