configuration, the F/A-18C (SJU-17(V)1/A applies, the
This chapter provides descriptive and operation
description applies equally to the aft seat F/A-18D
information for the SJU-17/A series ejection seats. The
(SJU-17(V)9/A) aircraft installation, except where
seats are installed in F/A-18C, F/A-18D, F-14D and
noted.
T-45A aircraft as detailed below:
AIRCRAFT
SEAT
GENERAL DESCRIPTION
F/A-18C
SJU-17(V)1/A
LEARNING OBJECTIVE: Identify the
components of the NACES seat and their
F/A-18D forward
SJU-17(V)2/A
function.
F/A18D aft
SJU-17(V)9/A
Each ejection seat, as installed in the aircraft,
F-14D forward
SJU-17(V)3/A
comprises five main assemblies (fig. 2-3), which are
F-14D aft
SJU-17(V)4/A
briefly described in the following paragraphs:
The catapult assembly secures the ejection seat
T-45A forward
SJU-17(V)5/A
to the aircraft.
T-45A aft
SJU-17(V)6/A
The main beam assembly includes the left hand
(LH) and right hand (RH) main beams, upper
The seven seat variants are essentially similar but
and lower cross-beams, shoulder harness
incorporate differences to accommodate the seven
retraction unit, parachute deployment rocket
aircraft installations. For convenience, the description
motor, electronic sequencer system, barostatic
that follows applies to all variants except where noted.
release unit, drogue deployment catapult, two
Where reference is made to the single seat
Figure 2-3.--Forward ejection seat, main assemblies (SJU-17(V)2/A).
2-3
