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|  MIL-S-18471G(AS)
e. Perform throughout an installed life, as required in
accordance with 3.4.2.1, based upon 0.05 complete cycles
per flight.
Compliance with initiation subsystem requirements shall be demonstrated during
the review of 4.3.2 and during the tests of 4.4, 4.5, and 4.6 as applicable.
3.2.2.10.1 Lower firing control assembly. The lower firing control
assembly shall be capable of:
a. Being stepped upon by a fully equipped maximum specified
population aircrewmember without sustaining damage that
would degrade its subsequent operation, cause subsequent
injury to an ejection seat occupant, or cause damage to the
aircrewmember's personal protective garments or survival
equipment.
b. Withstanding an actuation force of 400 pounds limit load
and 600 pounds ultimate load.
Lower firing control handle. The lower firing control handle
3.2.2.10.1.1
shall:
a.
Be located on the centerline of the forward edge of the
ejection seat structure
b.
Be capable of being reached and moved to full extension
by an aircrewmember having maximum specified population
sitting height and minimum specified population functional
reach while in the seated and fully restrained position.
c.
Be oriented and configured so as to be readily grasped
by the maximum specified population gloved hand(s) with
palm(s) facing aft.
d.
Actuate the initiation subsystem when moved once by the
aircrewmember from the normal, dormant position to the
fully extended (actuation) position.
Have an overall travel of not less than two inches nor
more than four inches from the normal position to the
actuation position.
Achieve its travel from the normal position to the
f.
actuated position in response to forces applied by the
aircrewmember in accordance with figure 6.
Remain clear of the space envelope defining the full
g.
operational range of the aircraft control stick throughout
.
its travel at any selected ejection seat height.
Not interfere with or be obscured by the personal
h.
flight equipment of a seated aircrewmember.
3.2.2.10.2 Upper firing control assembly. If required (see 3.2.2.10),
the upper firing control assembly shall:
a. Preclude inadvertent face curtain extraction due to
windblast following aircraft canopy loss during normal
aircraft operation.
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