How it works: The Ejection Seat
Ejection Seat F-16 - U.S. Air Force photo by Staff Sgt. Bennie J. Davis III
My head was swollen to the size of a basketball, my lips were swollen to the size of cucumbersThis quote is from Captain Brian "Noodle" Udell who ejected from his F-15 at supersonic speed (scroll down to see his video). Wind is very forceful at such high speed. Here is how the ejection seat works: Part1: Part 2:
Captain Brian Udell ejecting above Mach 1
The worst case is to eject at supersonic speed. This is what Captain Brian "Noodle" Udell had to do. His McDonnell Douglas F-15 was out of control, he had to eject at 1290 km/h or 800mph. It was a matter of seconds before the F-15 crashed, so Udell commanded a bail out. Luckily he survived the ejection, but had to fight for his life for hours. Unfortunately, his Navigator was not so lucky.The Russian Svezda K-36D Ejection Seat
The Russians are leading in the development of ejection seats - they are protecting the pilot very effectively. It is claimed they can by used with twice the speed of sound. More than 200 parameters are taken into account to find the optimal flight path.Related Questions
How does an ejection seat work?
When a pilot pulls the handle, an ejection seat first jettisons the canopy, then a rocket or explosive catapult propels the seat and pilot up and clear of the aircraft. A drogue stabilizes the seat, which then separates, and the main parachute deploys for landing. Modern seats automate the whole sequence in fractions of a second; see how ejection seats actually work.
Is it dangerous to eject from a fighter jet?
Ejection is a last resort — pilots always try to land first — because the forces are violent, especially at high speed. Captain Brian “Noodle” Udell ejected from an out-of-control F-15 at supersonic speed and survived but was severely injured by the windblast; his navigator did not survive. Ejection saves lives but carries serious risk.
Can you eject from an aircraft at supersonic speed?
Yes, but it is the worst case. Captain Brian Udell ejected from his F-15 at roughly 1,290 km/h (800 mph), faster than the speed of sound. At such velocity the wind is brutally forceful — Udell described his face and limbs swelling dramatically — and survival is far from guaranteed, which is why pilots avoid high-speed ejection whenever possible.
What is the best ejection seat in the world?
The Russian Zvezda K-36D is widely regarded as one of the most effective ejection seats, credited with protecting pilots even at extreme speeds — reportedly usable at up to twice the speed of sound. It factors in more than 200 parameters to compute the optimal escape trajectory, giving the pilot the best possible chance of survival.
When was the first emergency parachute jump from an aircraft?
Long before ejection seats, pilots relied on manual bailouts. The first emergency jump using a free-fall parachute was made by Harold Harris in 1922, a milestone in aircraft-escape history told in the first man saved by a parachute. Ejection seats later automated and vastly sped up that escape.
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