Currently, the vast majority of US Air Force aircraft are equipped with ejection seats ACES II, developed by the American company UTC Aerospace Systems. They were developed at the start of the 1990s, and more than ten thousand of these ejection seats have now been released. They are used in F-15 Eagle, F-16 Fighting Falcon, F-22 Raptor fighters, A-10 Thunderbolt II attack aircraft and B-1B Lancer and B-2 Spirit bombers. And during that time, they saved the lives of 654 pilots. The probability of ejection from these seats - 91,4 percent.
Two companies - UTC Aerospace Systems and British Martin-Baker, which supplies chairs for F-35В fighters, intend to participate in the tender. UTC Aerospace Systems is ready to offer the military an improved ejection seat ACES 5, in which special attention is paid to safety. The chair has a headrest with neck support, which fixes the head during the ejection. The British company also upgraded their seats. They appeared switch with two positions - for ordinary pilots and those who have a body weight less than 68 kilograms. This will save the latter from injuries of the cervical spine.