NTSB Identification: SEA89FA057.
The docket is stored on NTSB microfiche number 40771.
Accident occurred Saturday, March 18, 1989 in LONGMIRE, WA
Probable Cause Approval Date: 09/30/1991
Aircraft: CESSNA T210L, registration: N8822C
Injuries: 1 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 FLT DEPARTED BOEING FIELD RUNWAY 13, WITH IFR CLEARANCE TO CLIMB ON RUNWAY HEADING. AFTER TAKEOFF, THE PILOT WAS CLEARED TO CLIMB TO CRUISE ALTITUDE OF 13,000 FT, MSL. BEFORE REACHING THE ASSIGNED VICTOR AIRWAY, THE PILOT REQUESTED AND WAS CLEARED FOR A LEFT TURN TO JOIN THE AIRWAY AND INSTRUCTED TO RESUME HIS OWN NAVIGATION. RADAR DATA SHOWED THE AIRCRAFT DID NOT CHANGE COURSE AND FLEW PAST THE AIRWAY. ALL SUBSEQUENT ATTEMPTS TO CONTACT THE FLIGHT WERE UNSUCCESSFUL. THE AIRCRAFT CONTINUED CLIMBING ON A STRAIGHT COURSE UNTIL IT IMPACTED ON MT. RAINIER AT 12,800 FT MSL. PILOT WAS AT RISK FOR CARDIOVASCULAR DISEASE DUE TO LIFESTYLE. WRECKAGE INACCESSIBLE, INJURY PRESUMED.

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

PHYSICAL INCAPACITATION OF THE PILOT.

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