NTSB Identification: DEN84FU006.
The docket is stored on NTSB microfiche number 26779.
Accident occurred Monday, May 28, 1984 in BERESFORD, SD
Aircraft: WEEDHOPPER B, registration: NONE
Injuries: 1 Fatal.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

THE ULTRALIGHT WAS OBSERVED FLYING WHEN IT SUDDENLY NOSED DOWN AND CRASHED. ONE WITNESS SAID HE THOUGHT HE HEARD THE ENGINE QUIT RUNNING BEFORE THE NOSE DOWN. THE ACFT IMPACTED IN A VERTICAL NOSE DOWN ATTITUDE. INVESTIGATION SHOWED THAT THE PISTONS WERE SCORED, TYPICAL OF HIGH OPERATING TEMPERATURES.

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

ENGINE ASSEMBLY,CYLINDER..OVERTEMPERATURE

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

AIRSPEED..NOT MAINTAINED..PILOT IN COMMAND

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

STALL..UNCONTROLLED..PILOT IN COMMAND

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