MK4

  • MK4
  • Mirage III

Ballistic Ejection seat propelled by cartridges fitted in Mirage –Alpha Jet-Jaguar

This seat is equipped with two firing handles,

  • The upper one includes a face screen to protect the pilot;
  • The second one located between the legs; called auxiliary firing handle is used when the acceleration is too high.

The seat is equipped:

  • Drogue parachutes ‘duplex’ packed in a container
  • Main parachute packed in a horse shoe shaped container
  • A Harness tension regulator.
  • A leg restraining system

Technical data sheet

Ejection range up to 600 Kts

Ejection speed at ground level (horizontal flight)

Mini  ≤ 90 kts

Maxi  ≤ 300 kts

Acceleration of a fully equipped pilot (85kg) < 23g

Ejection delay through the canopy:

  • Canopy release => delay 1 s (Mirage 3, 5)
  • Seat Ejection => delay 0,3 s (Jaguar)
  • Canopy weakening => no delay (Alpha Jet)

Ejection gun with three telescopic tubes

Adjustment of the seat pan with or without an actuator

Harness tension regulator

Automatic seat/man separation (redundancy with or without snubber system)

Pilot parachute:  Irvin, Diameter 7.3 m

Drogue gun: 1 sec.

Barostatic time release unit: 1.75 sec.

Altitude setting 12000 /14000 ft

Acceleration controller between 3 and 4,5 g

Weight of the armed seat + personal survival pack: 74 Kg

Scheduled maintenance:

  • Yearly visit
  • General mechanism servicing every 5 years
  • General seat servicing every 12 years

Our other seats