what categories have made vehicle speed records?
rocket-powered aircraft, manned air-breathing craft, propeller-driven aircraft, piston-engined propeller-driven aircraft, helicopter, glider (sailplane), human-powered aircraft
what pilots hold vehicle speed records?
william j. knight, eldon w. joersz, ivan soukhomline, lyle shelton, john egginton, klaus ohlmann and  matias garcia mazzaro, frank scarabino
what vehicles have speed records?
north american x-15, lockheed sr-71 blackbird, tupolev tu-114, grumman f8f bearcat rare bear (n777l), westland lynx 800 g-lynx, schempp-hirth nimbus-4dm, mit monarch b
what category is the westland lynx 800 g-lynx vehicle?
helicopter