E-flite Ultra-Micro UMX F4U Corsair Bind-N-Fly Electric Airplane w/AS3X This is the E-Flite UMX F4U Corsair BNF Airplane with AS3X Technology.The gull-winged F4U Corsair was one of the fastest planes during World War II, with a top speed reaching over 400 mph. Its awesome firepower and speed not only served it well in air-to-air combat, but made it one of the most fearsome ground attack fighters of its time.E-Flites revolutionary UMX series replica of the F4U Corsair features advanced A