Tag: ejection

Aviation Medicine Quiz – Ejection and Ejection Seats

Here is a quiz on Ejection and Ejection Seats. Please answer to the best of your knowledge and understanding the following questions pertaining to Ejection.

Continue reading

Eject! Eject! Eject! – Human Factors in Delayed Ejection

Once the decision to abandon the aircraft is taken, the only action required is to fire the seat by pulling the seat-firing handle. This does not take more than a second or two, yet Air Forces the world over have lost pilots, experienced and rookie, because they waited too long to eject. The human factors …

Continue reading

Eject! Eject! Eject! – Current Ejection Systems

Technological advancements in the design and development of ejection systems have resulted in significant improvements in the ejection seat and life support systems. Some of the advancements in ejection seat related sub-systems are discussed here.

Continue reading

Eject! Eject! Eject! – Potential for Ejection Injuries

There are different phases of ejection, with potential for injury to the pilot. Sequentially, these phases are – (a) Canopy separation/ fragmentation; (b) Egress; (c) Ram Air/ Wind blast; (d) Wind drag deceleration; (e) Free fall; (f) Parachute deployment, and (g) Landing. As per the phase of ejection, a pilot can sustain various injuries with spinal injury being the commonest. 

Continue reading

Eject! Eject! Eject! – Biodynamics of Ejection

The force moving an ejection seat must be sufficient to enable it to clear the tail of the disabled aircraft. To achieve this, the seat must accelerate from zero velocity to about 12.2 to 24.4 m/sec (40 to 80 ft/sec). This gives a rapid rate of rise of acceleration or jolt factor, which must remain …

Continue reading