ATL86FMG10

Factual narrative

THE ACFT WAS DESTROYED DURING A FORCED LNDG AFTER A POWER LOSS DURING TAKEOFF CLIMB. THE PLTS SON WITNESSED THE TAKEOFF & SAW THE ACFT DESCEND BELOW TREES NORTH OF THE ARPT. HE SAID THAT THE ENG SOUNDED OUT OF TIME. DURING A POST ACC ENG INSPECTION THE MAGNETO WAS FOUND LOOSE IN ITS MOUNT. THE LUGS WERE MADE OF ALUMINUM WHICH ALLOWED THE MAGNETO TO WORK LOOSE TO AN ESTIMATED 29 DEGREES OUT OF TIME. THIS WAS A HOMEBUILT ACFT RECENTLY CERTIFIED IN THE EXPERIMENTAL CATEGORY FOR FLT TEST IN A FLT TEST AREA. THE PLT SAID THAT THE ACFT STARTED BACKFIRING AT APRX 25 FT AGL AND COULD NOT SUSTAIN FLT. HE LANDED IN A SOYBEAN FIELD OFF THE ARPT. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12