Haverhill, NH, USA
N442AG
LYNN PERRY CAVALON
Same as Factual Information
The pilot of the gyroplane reported that, during the takeoff roll, after the front landing gear became light, he attempted to push the control stick forward, but was unable. He then used both hands in an attempt to push the stick forward. He realized he could not move the control stick forward and therefore could not control the gyroplane. He rejected the takeoff by reducing power, the gyroplane veered to the left, and the rotor struck the runway. Subsequently, the gyroplane rolled onto its left side, skidded down the runway, exited the left side of the runway, and impacted a snowbank. The gyroplane sustained substantial damage to the rotor system and fuselage. The pilot reported that he removed the rotor blade by removing the center pivoting bolt, and in doing so, the rotor head moved forward and freed the stick. The Federal Aviation Administration sent two inspectors to examine the gyroplane. During the visit, the rotor head moved freely in all directions with no evidence of binding or restriction, and no discrepancies were noted with the torque tube or cabling in the keel tube. The brake and trim controls were also moved in various sequences and control positions, but there were no discrepancies found. The FAA inspector added that, with an inadvertent and or unnoticed activation of full aft trim prior to beginning the takeoff roll, there could be enough resistance created to generate the conditions the pilot experienced.
The pilot's failure to maintain directional control during a rejected takeoff. Contributing to the accident was the binding of the control stick, for an undetermined reason, which precipitated the rejected takeoff.
Source: NTSB Aviation Accident Database
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