NTSB Identification: SEA88FA023.
The docket is stored on NTSB microfiche number 34985.
Accident occurred Wednesday, November 25, 1987 in HILLSBORO, OR
Probable Cause Approval Date: 04/24/1989
Aircraft: CESSNA 172M, registration: N21460
Injuries: 1 Serious.
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 DAILY RADIO TRAFFIC REPORTING FLIGHT WAS CLEARED FOR AN IFR DEPARTURE FROM HILLSBORO AIRPORT IN IMC. THE OWNER/ OPERATOR OF THE AIRCRAFT STATED THE COMPANY HAD A 'NO IFR' POLICY. ON TAKEOFF WITNESSES OBSERVED THE AIRCRAFT TO BE LOWER AND SLOWER THAN NORMAL AND ABOUT 100 FT AGL PAST THE RUNWAY MIDPOINT THE AIRCRAFT ENTERED A SHALLOW RIGHT TURN. THE AIRCRAFT COLLIDED WITH 35-FOOT TREES AND A POWERLINE 600 FEET FROM THE RUNWAY CENTERLINE AND APPROXIMATELY 135 DEGREES OFF THE RUNWAY HEADING. INVESTIGATION REVEALED NO PREIMPACT MECHANICAL MALFUNCTIONS/FAILURES.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:IFR PROCEDURE..IMPROPER..PILOT IN COMMAND
The National Transportation Safety Board determines the probable cause(s) of this accident to be:CLIMB..NOT MAINTAINED..PILOT IN COMMAND
The National Transportation Safety Board determines the probable cause(s) of this accident to be:DESCENT..INADVERTENT..PILOT IN COMMAND
PROCEDURES/DIRECTIVES..NOT FOLLOWED..PILOT IN COMMAND
LIGHT CONDITION..DARK NIGHT
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