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In this case, the combatants must furnish and tend the
highline.
Each replenishment station has a telephone line to
the corresponding station on the other ship. Necessary
commands are transmitted by telephone, and a
Signalman also gives them by the hand or by light
signals as shown in figure 4-24. It is a good idea to post
these hand signals at the replenishment stations or,
better yet, to stencil them on the backs of the paddles.
PHONE/DISTANCE LINE
The zero end of the distance line (fig. 4-25) is
secured at or near the rail of the delivering ship, and the
other end is hand-tended on the receiving ship.
Embedded in the polypropylene distance line are the
conductors for the sound-powered (S/P) telephone line,
which provides the communication link between the
bridges of the two ships.
A bridge-to-bridge (B/B) combination phone/
distance line and station-to-station line are normally
provided by the receiving ship. The line is fitted with a
double jackbox at each end labeled B/B PHONE. Mark-
ers attached to the line indicate the distance between
ships, enabling conning officers to know immediately
when the ship is opening or closing distance. Daylight
markers (marker flags) consist of 8-inch by 10-inch
numbered colored cloth, nylon-coated fabric, or painted
canvas squares spaced 20 feet apart. At night, a red
flashlight or red chemical light is fastened at the leading
edge of each daytime marker with the exception of the
blue lights indicated in figure 4-25. The zero end of the
line is secured to the rail of the delivery ship at a right
angle to the ship's centering in view of the conning
officer. During night replenishment, the line tender
keeps the conning officer informed on the distance.
Electric megaphones are used during the approach
until telephones are connected. After the telephones are
connected, the megaphones are the main standby
method of communicating.
SOUND-POWERED TELEPHONES
Sound-powered telephones are the principle means
of passing information Although the receiving ship
Figure 4-25.–Bridge-to-bridge phone/distance line markings.
4-30
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