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DEN83LTE11

1983-06-24 · GRANBY, Colorado, United States · Minor · 1 aircraft · Status: Completed

N3133L has since been reassigned. It is now registered to a different aircraft (BEECH C90GTI, built 2008), which was not involved in this event.

Aircraft involved

Factual narrative

THE ULTRALIGHT NOSED DOWN DURING AN EMERGENCY LANDING AFTER THE ENGINE LOST POWER AT ABOUT 100' AGL AFTER TAKEOFF. THE PILOT ATTEMPTED A LANDING ON THE REMAINING RWY AFTER THE POWER LOSS, BUT THE ACFT COULD NOT BE FLARED AND ENDED UP ON THE RWY PARTIALLY INVERTED. THE REAR SPARK PLUG OF THE ENGINE WAS FOUND TO HAVE SMALL PARTICLES OF CARBON BETWEEN THE ELECTRODE AND FIRING POINT MAKING THE SPARK PLUG INOPERATIVE. THE SPARK PLUG WAS A CHAMPION TYPE N3C USED ON TWO-CYCLE GAS ENGINES. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1983_DEN83LTE11.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.