MIL-PRF-81542C
respect. Immediately following this test, the raft shall be visually examined as specified in 4.6,
and pressure/leakage tested as specified in 4.11.
3.22 Markings.
3.22.1 Operational marking. The life raft shall be marked in contrasting washproof ink,
which is not detrimental to the fabric, to denote the use and location of the inflation systems
(including instructions on manual actuation), raft equipment, boarding aids and righting aids.
The letters used for such markings shall be not less than 1 inch high except that details and
miscellaneous instructions may be of smaller lettering. Applicable markings shall take into
account aircrewmen boarding or righting the raft from the water.
3.22.2 Raft identification. Each life raft shall be identified by name of manufacturer,
contract number, date of manufacturer, and serial number. The serial number shall be assigned
by the manufacturer and shall be by a block of consecutive numbers to cover the entire
acquisition quantity. All markings shall be legible, durable, permanent, and thoroughly dry prior
to packing and packaging.
4. VERIFICATION
4.1 Classification of inspections. The inspection requirements specified herein are
classified as follows:
a. Qualification inspection (see 4.2).
b. First article inspection (see 4.3).
c. Conformance inspection (see 4.4).
4.2 Qualification inspection. The qualification inspection of the life rafts shall consist of all
the examinations and tests specified in Table II.
4.2.1 Qualification samples. The qualification samples shall consist of three of each type to be
qualified. Samples shall be forwarded as specified in the correspondence authorizing submission of
samples for qualification testing (see Table II and 6.2). Additionally, each sample shall be plainly
identified by securely attached tags containing the following information:
Qualification Inspection Sample
Raft Type
Manufacturer's Designation
Manufacturer's name and CAGE
Serial Number
8
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