Egress System
T-45C TS, ADV & IUT ENG-15
III. Navy aircrew common ejection seat (NACES) 1.3.5.1.4.2
Sg 2, fr 2
Lesson Organization
CANOPY AND EJECTION
SEAT SYSTEMS
LESSON NOTES
* Canopy
* T-45 Ladder/Boarding Systems
Use the NACES ejection seat mock-up to demonstrate major
* NACES
points.
* Ejection parameters
* Preflight
A.
Major components
Sg 2, fr 3
1.
Catapult assembly
Catapult Assembly
a.
Location: back of ejection seat
b.
Function: provides initial power to eject seat
c.
Components
(1) Outer barrel
(2) Telescopic piston (inside outer barrel)
(3) Initiator cartridge
(4) Ballistic latch (2)
(5) Guide rails (2)
NOTE: Two guide rails attach the
assembly to the main beams, and mounting
lugs attach the assembly to the aircraft.
2.
Main beam assembly
a.
Location: back of seat between seat bucket
and catapult assembly
b.
Function: establishes tracks to control seat
travel during catapult travel and ensures system
(9-98) Original
Page 15-13
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