 gyroplanes.On 13 April 2000 Farrington crashed after suffering a heart attack while at the controls of an Air & Space 18A gyroplane.The NTSB investigation (# MIA00LA133) found no evidence of mechanical malfunction and listed the cause as "the pilot's in-flight loss of control while maneuvering for undetermined reasons resulting in an uncontrolled descent and subsequent in-flight collision with terrain."