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| MIL-D-23222A(AS)
EXTERNAL CARGO HOOK. - Satisfactory operation of the
3.12.8.4
external cargo hook and remote controls shall be
demonstrated at the direction of the NAVPRO.
3.12.9
EXTERNAL AUXILIARY FUEL TANKS. - Jettisioning of external
auxiliary fuel tanks shall be demonstrated in the full,
most critical partial full, and empty conditions with the helicopter in the
primary external fuel tanks configuration. Unless otherwise specified, it
shall be demonstrated that the tanks can be jettisoned at the following
flight conditions:
(1) level flight; speed equal to 0.9 maximum forward
carriage airspeed for aircraft/combination.
(2) conditions simulating autorotative flight.
(3) for multi-engine helicopters; flight conditions
simulating a single engine failure.
The addition of other external stores to the helicopter may require additional
jettison tests of the external fuel tanks. It shall be demonstrated that the
tank will not hang up on the helicopter and the helicopter or adjacent stores
will not be damaged. Liquids other than fuel may be used in fuel tanks for
these tests.
PARACHUTE SURVIVAL EQUIPMENT ASSEMBLY. - It shall be demon-
3.12.10
strated that adequate stowage previsions are made in seats
or other accessible spaces for all required parachutes, para-rafts or other
survival kits. Both ground and appropriate inflight demonstrations shall show
that such stowage precludes loss or dislocation of equipment, does not interfere
with flight operations, and facilitates utilization of equipment in emergencies.
This demonstration shall include appropriate egress during simulated ditching and
bailout conditions.
3.12.11
ESCAPE HATCHES. - A ground demonstration shall be made to show
the ease with which escape hatches may be opened and to show
the accessibility and adequacy of the opening to escaping personnel wearing
apparel planned for use in the helicopter when in service.
3.12.12
HUMAN ENGINEERING, COCKPIT AND ESCAPE SYSTEM DESIGN. -
(1) In conducting the demonstrations under this paragraph, the
sizes of personnel used shall include extremes at the upper
and lower limits of the appropriate anthropmetric parameters
specified in this and all other applicable documents.
Anthropometric limits shall be the 3rd through 98th percentile
man in accordance with NAEC-ACEL Report No. 533. The body
dimensions of the pilots used shall be included in the test
reports and shall include the following parameters:
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