Ah-bai 1F armed helicopter is the complete Du improved type of AH-1s Huey Cobra. Huey Cobra is a special armed helicopter developed by Bell Helicopter Company according to the modernization plan of Shu helicopter put forward by US Army in 1975, which is improved on the basis of ah-1g / Q Huey Cobra, equipped with Tao type anti tank missile and replaced with high-power engine. There are many improvement projects for this aircraft. In addition to the original improvement projects, new fire control subsystem (including laser ranging and tracking device, trajectory computer, low speed sensor, head up device), air data system, Doppler navigation system, IFF responder, infrared jammer, hot metal and engine flame tongue infrared suppressor, closed loop refueling system are added New secure voice communication devices and new composite blades. In addition, AH-1s also adopts a variety of stealth technologies. Its cockpit is made of seven flat plates, which reduces the light reflection.