T-45C TS, ADV & IUT ENG-27/ENG-28
Engineering Review
NOTE: With the selector handle in
SOLO position, the 0.4-second delay
between fwd and aft ejection is lost.
The SOLO position shall not be used
for a dual flight.
3.
Operating characteristics
a.
Secures crew member
b.
Supplies life support and communication
connection points
c.
The seat’s onboard pitot system automatically
selects operating mode based on aircraft
altitude and airspeed
Sg 9, fr 27
d.
Ejection
Ejection Seat Operation
(1) Ejection seat has 0-0 (airspeed-altitude)
ejection capability
(2) Canopy fragmentation system
synchronized to ejection seat initiation
(3) Ejection seat sequence same whether
canopy in place or shattered via MDC
firing handle prior to ejection
(4) Upon separation of ejection seat from
catapult, electronic sequencer controls
all events (e.g., drogue chute deployment,
man/seat separation, main chute
deployment)
NOTE: The barostatic release mechanism
is used as a backup in the event of an
electronic sequencer failure. It automati-
cally activates when below 18,000 feet
MSL. The EMERGENCY RESTRAINT
RELEASE handle is the manual backup.
(9-98) Original
Page 27-93
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