T-45A UJPT, E2-C2, ADV, & IUT Eng-15
Egress System
(3) SMDC ignites, passing signal to
Overlay 2
sequencer, selector, and fwd or aft
SMDC Ignition,
SMDC to Aft Cockpit
seat
NOTE: If BOTH selected on
selector, signal travels to aft
canopy first and initiates IFF en
route.
(4) Aft canopy shatters and SMDC-to-
Overlay 3
gas initiator fires aft ejection seat
Aft Canopy Shatters,
Aft Seat Fires
NOTE: If the MDC fails, the
canopy penetrator, located on top
of the seat, will shatter the canopy.
(a) After 0.4-second delay,
Overlay 4
forward cockpit canopy
Forward Canopy Shatters,
shatters and SMDC-to-gas
Forward Seat Fires
initiator fires forward ejection
seat
(5) Thermal batteries activate
(6) Harness retraction unit retracts
shoulder straps
(7) Catapult initiates
(8) Rocket initiator static lines begin to
withdraw
(9) Ballistic and electrical quick-
disconnects separate
(10) Quick-disconnect fittings for pilot
services (oxygen, COMM, G-suit)
separate
(11) Emergency oxygen supply and
radio beacon activate
(12) Leg restraint system activated
(8-03) Original
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