NTSB Identification: SEA87LA147.
The docket is stored on NTSB microfiche number 34512.
Accident occurred Thursday, July 23, 1987 in BELLEVUE, WA
Probable Cause Approval Date: 10/25/1988
Aircraft: CESSNA T210K, registration: N5768J
Injuries: 6 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.

AFTER TKOF, THE PLT LEVELED AT ABOUT 1500' & ADJUSTED THE PWR TO A LOW CRUISE SETTING. A SHORT TIME LATER, THE ENG BGN MISSING & SUBSEQUENTLY LOST ALL PWR. THE PLT FOLLOWED THE EMERG PROCEDURES, BUT WAS UNABLE TO RESTART THE ENG. HE MANUEVERED THE ACFT TO LAND ON A GOLF COURSE, BUT DELAYED EXTENDING THE LANDING GEAR TO CLEAR OVER PWR LINES & TREES. AFTER CLEARING THE OBSTRUCTIONS, HE LOWERED THE GEAR SWITCH, BUT THE ACFT TOUCHED DOWN BEFORE THE GEAR WAS FULLY EXTENDED. A CHECK OF THE ENG REVEALED THE MAGNETOS WERE NOT PROVIDING IGNITION. EVIDENCE OF CARBON TRACKING WAS PRESENT IN BOTH MAGNETOS. WHEN THE MAGNETOS WERE CHECKED, A SPARK WAS OBSERVED ARCING ACROSS THE MAGNETO BARS. THE MANUFACTURER RECOMMENDED THE MAGNETOS (SLICK MODEL 622R) BE SERVICED EACH 500 HRS. THE MAGS IN THIS ACFT HAD A TOTAL FLT TIME OF 556 HRS SINCE INSTALLATION.

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

IGNITION SYSTEM,MAGNETO..ARCING

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

MAINTENANCE..IMPROPER..OTHER MAINTENANCE PERSONNEL


Contributing Factors

TERRAIN CONDITION..HIGH OBSTRUCTION(S)


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