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|  MIL-S-13303G(AR)
3.4 Functioning. The signal shall function and shall comply
with the following requirements:
3.4.1 Premature burst. The signal assembly shall not burst in,
or within one hundred (100) feet, of the launcher. The smoke
assembly shall not eject at an altitude of less than one hundred
(100) feet from the ground within a horizontal distance of two
hundred and fifty (250) feet of the launcher, or at an altitude of
less than fifty (50) feet from the ground at a horizontal distance
in excess of two hundred and fifty (250) feet from the launcher.
3.4.2 Parachute. The parachute shall not separate from the
assembly, delay opening from time of ejection for more than 5
seconds, or remain partially open.
3.4.3 Hot tem perature (160 5F). The signal assembly
shall function and shall comply with the requirements of 3.4.1 when
tested as specified in 4.5.2.1.
3.4.4 Ambient (70 5F). The signal assembly shall
function and shall comply with the following when tested as
specified in 4.5.2.2:
a. the requirements of 3.4.1 and 3.4.2.
b. the smoke assembly shall not eject at an angle of more
than 30 degrees from the vertical, or emit the first trace of smoke
at an altitude of less than 500 feet.
c. the average altitude for all smoke assemblies which
function above 500 feet shall be not less than 725 feet.
d. the average angle from the vertical for all smoke
assemblies which function within the maximum (max.) angle from the
vertical (30) shall be not more than 12 degrees.
e. the smoke assembly shall start to emit smoke not more
than 4 seconds after ejection from the signal.
f. the burning time of the smoke assembly shall be not less
than 6.0 seconds nor more than 18.0 seconds for the M128A1 and
M129A1, and not less than 9.0 seconds nor more than 18.0 seconds for
the M194.
3.4.5 Cold temperature (Minus 650 5F). The signal
assembly shall function and shall comply with the following when
tested as specified in 4.5.2.3.
a. the requirements of 3.4.1 and 3.4.2.
b. the smoke assembly shall start to emit smoke not more
than 4 seconds after ejection from the signal.
c. the burning time of the smoke assembly shall be not less
than 6.0 seconds nor more than 22.0 seconds for the M128A1 and
M129A1 and not less than 9.0 seconds nor more than 18.0 seconds for
the M194.
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