SEA87LA125

Factual narrative

SHORTLY AFTER TAKEOFF A PARTIAL LOSS OF POWER OCCURRED AND THE PILOT WAS NOT ABLE TO MAINTAIN ALTITUDE AND AIRSPEED. THE PILOT WAS NOT ABLE TO RETRACT THE GEAR DUE TO THE LOW AIRSPEED BECAUSE THE AUTOMATIC GEAR EXTENSION SYSTEM WAS NOT IN THE OVERRIDE POSITION. NORMAL OPERATIONS DO NOT UTILIZE THE GEAR OVERRIDE. THE AIRCRAFT CLEARED TREES AT THE DEPARTURE END OF THE RUNWAY AND DESCENDED ONTO A BOAT DOCK AND THE GROUND. IT WAS FOUND THAT FOUR OUT OF THE SIX TOP SPARK PLUGS WERE NOT FIRING. THE DENSITY ALTITUDE AT THE TIME OF THE ACCIDENT COMPUTES TO ABOUT 6,200 FEET. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12