TRAINEE GUIDE - Recruit Training Command - The US Navy

TRAINEE GUIDE A-950-0001
OUTLINE SHEET 1-11-1 (continued)
(3) May also be found in decks, bulkheads, or overheads of
spaces containing only one other means of access.
7. Navy System of Watertight Fitting Identification
a. Every watertight fitting (door, hatch, valve) aboard ship has a
number for identification.
b. Contains ____________ parts:
(1) The first part indicates the ____________ or ____________
on which the fitting is located.
(2) The second part indicates the ____________ frame number on
which the fitting is located.
(3) The third part indicates the fitting's relationship to
____________--even port; odd starboard.
8. Navy Material Conditions of Readiness
a. A ship has material conditions of readiness to represent
different degrees of watertight integrity; i.e., a different
percent of the ship is made watertight by closing doors, hatches,
and scuttles.
b. Most material conditions of readiness are NOT to be broken
without permission from ____________ authority.
c. There are three basic material conditions of readiness.
(1) X-ray
(2) Yoke
(a) Represented by a black letter "____________."
(b) Set when the ship is in no danger of attack such as in
well-protected harbors or when in ____________ during
normal working hours.
(c) Provides the ____________ protection against fire and
flooding.
(d) Allows maximum freedom of personnel movement.
(e) All closures marked by an "X" are secured.
(a) Represented by a black letter "Y."
(b) Set when the ship is ____________ (at sea) and in
____________ after normal working hours.
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