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| MIL-D-23222A(AS)
OXYGEN EQUIPMENT. - With the applicable oxygen system,
3.12.2.3
gaseous or liquid filled to normal capacity, and
with full operating equipment aboard, the helicopter shall be flown
at the minimum and maximum operational altitudes at which oxygen is
required. Under simulated tactical conditions at those altitudes, the
oxygen system shall be evaluated to determine proper functioning in
accordance with Spec MIL-I-8683, and also to determine adequate freedom
of movement for performance of required duties.
ANTI-EXPOSURE SUIT SYSTEM. - When applicable, the
3.12.2.4
anti-exposure suit air conditioning system shall
be demonstrated to met the requirements of Spec MIL-E-18927. Maximum
air flow at the specified differential pressure shall be measured in
flight at altitudes from sea level to service ceiling of the helicopter
and at engine power settings from idle to maximum cruise power. Maximum
range of temperature control of the air delivered to the suit shall be
evaluated. Operation of the flow control shall be assessed from the
standpoint of convenience. With the appropriate member(s) and of the
crew wearing anti-exposure suit(s) and necessary control system and
equipment, the system shall be demonstrated to provide the required
amount of ventilation pressurization air for both inflight and ground
operating conditions. Servicing of the helicopter while on the ground
in a ready condition, shall be demonstrated, when applicable.
ACOUSTICAL NOISE LEVEL. - It shall be demonstrated
3.12.2.5
that the acoustical noise level in occupied spaces
does not exceed the maximum allowable values listed in Spec MIL-A-8806.
The entrance doors and cockpit enclosure movable sections shall be
closed during the survey. Corrective action shall be taken by the
contractor in cases where noise levels exceed allowable specification
limits.
FIRE WARNING SYSTEM. - Ground and flight operation
3.12.3
of the forewarning system shall be demonstrated
to show compliance with Spec. MIL-F-7872 or Spec. MIL-F-23447, as
applicable.
HYDRAULIC AND PNEUMATIC SYSTEMS. - Operation of all
3.12.4
hydraulic and pneumatic system installations in the
helicopter shall be demonstrated in accordance with Spec MIL-T-5522.
HYDRAULIC AND PNEUMATIC EXTERNAL POWER CONNECTIONS. -
3.12.4.1
The accessibility and suitability of external
hydraulic and pneumatic power connections shall be demonstrated.
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