The phrase "ejection seats" refers to special seats in aircraft that can quickly throw pilots or passengers out in case of emergencies, such as a plane crash or when the aircraft is in danger. Full definition
«Diamond Nine» embroidery on headrests in Obsidian black with olive green inserts matching ejection seat fabric colours in the Red Arrows Hawk (astonmartins.com)
Greason pointed out that the Lynx is not designed with ejection seats but stressed it would include emergency features (which he declined to detail). (scientificamerican.com)
In 1959 and 1960, when the Air Force was testing ejection seat technology in jet fighters, Kittinger made three jumps from the stratosphere to try a parachute optimized for high - altitude bail - outs. (discovermagazine.com)