NTSB Identification: DEN83LTE11.
The docket is stored on NTSB microfiche number 21073.
Accident occurred Friday, June 24, 1983 in GRANBY, CO
Aircraft: EIPPER FORMANCE MX-2, registration: N3133L
Injuries: 2 Minor.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

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.

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

IGNITION SYSTEM,SPARK PLUG..CONTAMINATION

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

IGNITION SYSTEM,SPARK PLUG..INCORRECT

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