MIL-F-81738 Flare, Aircraft, Parachute, Mk 45 Mod 0This specification covers the manufacture and preparation for delivery of the Flare, Aircraft, Parachute, MK 45 Mod 0, the MK 45 Aircraft Parachute Flare and Drogue Tray, and the methods of examination and tests upon which product acceptance shall be based. The flares or Mk 45 drogue trays are a delay type flare, designed for launching from aircraft, which produce a parachute suspended illuminating candle. The flare or Mk 45 drogue tray is classified as Class B Explosives \(Code of Federal Regulations 49 CFR 71-78\) ad IIC Explosive \(Coast Guard Rules and Regulations for Military Explosive and Hazardous Munitions CG 108\).

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MIL-F-81738 (AS)

4.3.2.2 Aircraft vibration test (C7). The flare shall be subjected to the aircraft

vibration test prescribed in Specification MIL-E-5272, Vibration Test Procedure XII,

at ambient temperature only. The flares shall be assembled to the vibration table

using SA Drawing 2522999 for mounting. Defective are flares failing to meet the

requirements of 3.3.2.2.

4.3.2.3 Temperature and humidity test (C8). The flare shall be subjected to one

14 day temperature and humditiy cycle prescribed in Test 105 of Standard MIL-STD-

331. Defective are flares failing to meet the requirements of 3.3.2.3.

4.3.2.4 Low temperature test (C9). The flare shall be conditioned in a suitable

chamber at a temperature of -65�F � 5�F for a minimum period of 24 hours and shall

be static functioned while at that temperature. Defective are flares failing to meet

the requirements of 3.3.2.4.

4.3.2.5 Grouped data acceptance. Data obtained from requirements (b) and (c)

of the static functioning test shall be grouped for the 39 flares composed of the

following groups:

Thirteen (13) flares from the aircraft vibration

Group (a)

test of 4.3.2.2

Group (b)

Thirteen (13) flares from the temperature and

humidity test of 4.3.2.3

Thirteen (13) flares from the low tempera-

Group (c)

ture test of 4.3.2.4

Acceptance shall be as specified in Table III.

PREPARATION FOR DELIVERY

5.1 Packaging.

5.1.1 Candles.

5.1.1.1 Level A. In addition to the following, Level A packaging shall be in

conformance with the Code of Federal Regulations 49 CFR 71-78 for Class B

Explosives.

5.1.1.1.1 Unit packaging. Each candle assembly shall be packaged in accordance

with Specification MIL-P-116, Method lA13. The cavities at both ends of the candle

shall be cushioned as required to prevent damage to the pressed composition. No

preservation required.

5.2 Packing.

5.2.1 Flares or Mk 45 Drogue Trays.