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CHAPTER VIII.

SIGNALS.

COURSE PENNANT SIGNALS. 558. Course pennant signals are used primarily to change course by ships in succession, ships of the unit performing the evolution being in column.

559. If the fleet is unformed, or if formed and the admiral wishes merely to announce the exact course, the course pennant over three numerals means “Course is as indicated.".

560. Used in connection with the formation pennant in "Change front signals,” the course pennant with numerals 1 to 18 or 000 to 359 indicates the new course (relative or compass). In this case the change of course is made by ships if in a simple formation or by columns if in a compound formation. Course pennant...... .Resume former course, ships turning in succession, Course pennant, answering Column right 5'.

pennant. Course pennant 1 to 18...

.....Column right the angle indicated in tens of degrees. Course pennant 000 to 359. Column right to true compass course indicated. (See

article above.) Answering pennant, course Column left 5o.

pennant. 1 to 18 course pennant......Column left the angle indicated in tens of degrees. 000 to 359 course pennant..Column left to true compass course indicated. G course pennant 000 to Course of guide is as indicated.

359.

Interrogatory course pen- What is your course (or that of ship or unit desig. nant.

nated)?

Interrogatory G course pen- What is course of guide?

nant. Interrogatory G course pen- What is course and speed of guide?

nant, speed pennant. M course pennant 000 to My course (or that of ship or unit designated) is as 359.

indicated. S course pennant 000 to Steer course indicated (true).

359.

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561. The bearing indicated by emergency pennant signals refers to the bearing from the ship making the signal unless another ship or unit is designated.

562. The number of vessels, mines, etc., reported may be indicated by numeral signal, either as a separate hoist or under a tack line.

563. A gun or blasts on the whistle may be used to call attention to an emergency signal. Emergency pennant..... .“Attention-silence, or cease signaling, and be on Emergency pennant M.... Mine sighted to starboard. 33. (Under negative, M emergency pennant, Mine sighted to port.

the alert for important signals.” Emergency pennant 0 to 18. Attention called to danger or emergency, on relative

bearing as indicated in tens of degrees, counting

from ahead and to the right. 0 to 18 emergency pennant Attention called to danger or emergency, on relative

bearing as indicated in tens of degrees, counting

from ahead and to the left. Emergency pennant 000 to Attention called to danger or emergency to starboard 359.

on true compass bearing as indicated. 000 to 359 emergency pen- Attention called to danger or emergency to port on nant.

true compass bearing as indicated. Emergency pennant H......Help. I need immediate assistance.

"Report of mine

(submarine or tor: Emergency pennant S...... Submarine sighted to starboard.

pedo) was in ers emergency pennant.......Submarine sighted to port.

(ror."

Emergency pennant B......

....Am aground. Emergency pennant C...... Am (have been) in collision. Emergency pennant J...... Have a serious fire on board. Emergency pennant L... Have been mined and am sinking. Emergency pennant R.. .Danger; proceed with caution. Emergency pennant Y. Have had an explosion and am sinking. C emergency pennant.... ...Am sinking. F emergency pennant.. Look out for ship or danger to navigation on star

board hand. G emergency pennant..... .Look out for ship or danger to navigation on port

hand.

H emergency pennant.
J emergency pennant.
W emergency pennant...

......Submarine reported is apparently a dummy peri

scope.

FORMATION PENNANT SIGNALS.

564.

Form pennant..

. Resume former formation. (For use as the second

step in changing front.) Form pennant 0 to 18,..... Form on relative bearing from guide of fleet or unit

addressed as indicated in tens of degrees, counting

from ahead and to the right. Form pennant 000 to 359. Form on right of guide of fleet or unit addressed on

true compass bearing from guide as indicated. 0 to 18 form pennant.. .Form on relative bearing from guide of fleet or unit

addressed as indicated in tens of degrees, counting from ahead and to the left.

000 to 359 form pennant,..Form on left of guide of fleet or unit addressed on

true compass bearing from guide as indicated. Form pennant J..

Take formation No. Form pennant R.

Take formation previously prescribed. Form pennant S.

. Take group formation No. , Form pennant T..

Take mine-sweeping formation No. Form pennant V..

Take patrolling formation No. Form pennant W. Take protective formation No. Form pennant Y

Take screening formation No.

POSITION PENNANT SIGNALS.

565.

Position pennant..... . Take proper or assigned position or station. Position pennant 0 to 18.... Take station on relative bearing from this or desig

nated ship or unit, as indicated in tens of degrees,

counting from ahead and to the right. Position pennant 000 to Take station to the right and on true compass bear359.

ing from this or designated ship or unit, as indi.

cated. 0 to 18 position pennant.... Take station on relative bearing from this or desig.

nated ship or unit, as indicated in tens of degrees,

counting from ahead and to the left. 000 to 359 position pen- Take station to the left and on true compass bearing nant.

from this or designated ship or unit, as indicated. Position pennant X. ..Exchange stations. Position pennant Y, Resume stations. Position pennant Z.......... Regain relative positions occupied before last maneu

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566.

SPEED PENNANT SIGNALS.
Speed pennant 0. .........Stop.
Speed pennant 1. .Steam at one-third speed.
Speed pennant 2.. ..Steam at two-thirds speed.
Speed pennant 3... Steam at standard speed.
Speed pennant 4.. Steam at full speed.
Speed pennant 6 to 40....... Standard speed in knots is as indicated.
6 to 40 speed pennant. .Steam at speed in knots as indicated.
Speed pennant B.

Back.
Speed pennant C... ..Steam at highest possible speed.
Speed pennant H.. ..Steam at best sustained speed,
Speed pennant J.
Speed pennant K. ..Steam at speed just sufficient for steerage way..
Speed pennant L.
F (any speed signal). ...... Guide take speed indicated during this maneuver.
G (any speed signal).. ...Speed of guide is as indicated.
Interrogatory, speed pen- What is your speed (or that of ship or unit desig-
nant.

nated)? Interrogatory G, speed pen- What is speed of guide?

nant.

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What is speed and course of guide?

Interrogatory G..
Speed pennant..
Course pennant...
M (any speed signal).

.My speed (or that of ship or unit designated) is as

indicated.

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