NTSB Identification: CHI85LA364.
The docket is stored on NTSB microfiche number 29469.
Accident occurred Saturday, August 31, 1985 in MARENGO, IL
Aircraft: THORNHILL REPLICA TS-1, registration: N4463
Injuries: 1 Uninjured.

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

THIS AIRCRAFT IS POWERED BY A ROTARY ENGINE. THRUST IS VARIED BY SHORTING OUT ONE MAGNETO AND VARYING THE FIRING ORDER OF THE CYLINDERS VIA AN ELECTRICAL CAM ARRANGEMENT. THE MIXTURE CONTROL IS LIMITED TO ONLY A FEW SETTINGS. ONE OF WHICH IS LEVEL FLIGHT. FOLLOWING A LOW PASS OVER THE RUNWAY AT A THRUST SETTING OF 1/2 POWER AND A MIXTURE SETTING FOR LEVEL FLIGHT, THE PILOT PULLED UP INTO A CLIMB. THE ENGINE THEN DIED AND THE PILOT LANDED STRAIGHT AHEAD IN A HAY FIELD. THE HAY CAUGHT ON HIS UNDERCARRIAGE AND THE AIRCRAFT FLIPPED OVER ON ITS BACK. FOLLOWING THE ACCIDENT THE PILOT STATED THAT HE SHOULD HAVE ENRICHED THE FUEL MIXTURE PRIOR TO ATTEMPTING THE CLIMB.

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

IMPROPER USE OF PROCEDURE..PILOT IN COMMAND


Contributing Factors

TERRAIN CONDITION..CROP


Contributing Factors

PULL-UP..INITIATED..PILOT IN COMMAND


Contributing Factors

TERRAIN CONDITION..NONE SUITABLE



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