MIL-PRF-8565/4D (AS)
FIGURE 6. Aircraft start-up load requirements.
REQUIREMENTS:
1. Part or identifying number. The part or identifying number (PIN) of the battery covered by
this specification sheet shall be D8565/4-1.
2. Dimensions and weight. The dimensions of the battery shall be as shown on figure 1 contained
in the specification sheet. The weight of the battery shall be not greater than 11.8 kilograms
(see 3.8.3 and 4.5.3).
3. Capacity. The rated capacity of the battery shall be not less than 7.5 ampere-hours (Ah).
See 3.8.6 as modified herein.
4. Aircraft installation. For installation in the aircraft, the battery shall be supported as shown on
figure 3 of MIL-PRF-8565. Vibration isolation shall be provided to ensure that the vibration level
does not exceed the levels of the 2-year accelerated life test of 4.5.10. If vibration isolators are
used, sufficient sway clearance between the battery and the mounting structure shall be provided.
5. Qualification inspection and conformance inspection. Table I lists the required inspections.
6. MIL-PRF-8565 variance. The battery shall comply with MIL-PRF-8565 except as follows.
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