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| MIL-D-23222A(AS)
3.11.4.1
(Cont)
(3) Equipment Operation: All applicable sighting
equipment and radar control equipment shall be
operating satisfactorily throughout the firing
demonstration.
(4) Airframe Drain and Vent Exits: At no time during
the required firing shall rocket exhaust impinge,
enter, or adversely affect air fuel, or engine
drains or vent exits.
3.11.4.2
AIR-TO-GROUND ROCKETS
(1) Altitude: The helicopter shall be flown through
the following altitude cycle prior to firing:
(a) Climb to within 2000 feet of the design
service ceiling (intermediate power) and remain
at this altitude not less than five minutes.
(b) Descend to any altitude under moo feet and
remain at this altitude not less than five
minutes.
(c) Climb to within 2000 feet at design service
ceiling (intermediate power) and remain at this
altitude for not less than 15 minutes.
(d) Descend to within ground target range and
then commence firing.
(2) Speed: the restrict shall be fired at a maximum
stabilized level flight airspeed.
(3) Load factor: The first load shall be fired at a
normal load factor of one "G". The second load
shall be fired at a normal load factor of 0.9nz
or 0.9 maximum safe load factor at the specified
altitude.
(4) Rocket gas: At no time during the required firing
shall the rocket gas concentration exceed 90 percent
of the lower explosive limit anywhere in the heli-
copter as indicated on equipment by NAVAIR. The
rocket exhaust gas shall not impinge on any structural
75
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