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what is the primary advantage of visual communications
info can be exchanged during periods of radio silence
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what are two limiting factors of visual communications?
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a line running from the flag bad to the yardarm
halyard
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a metal box containing a set of flags and pennants
flag bag
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line attached to a halyard in order to recover it if necessary
retriever
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the horizontal length of a flag
the fly
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the vertical width of a flag
the hoist
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a reinforced border of light duck, stitched to the edge of the flag at the hoist. a length of line leads through this, at the top of which a ring is spliced.
tabling
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the other end of the line that leads through the tabling, extends several inches below the tabling, a snap hook is attached to it. serves as a spacer between flags.
tail line
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how many flags are in a flag bag, break them down into groups.
- 68
- 26 alphabet
- 10 number flags
- 10 number pennants
- 18 special flags and pennants
- 4 substitutes
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- alpha
- divers
- code alpah is divers in the water.
- flown where best seen, rule of thumb is waterborne side.
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- bravo
- refueling/ammo/gun shoot
- flown where best visible
- (things that go BOOM)
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- hotel
- helo ops
- flown where best seen
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- India
- ship coming alongside
- flown on side of evolution
- at dip is preparing to come along side
- closed up is ready to receive
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- kilo one
- men working over the side
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- Kilo three
- men aloft and over the side
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- lima
- HERO
- flown where best seen
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- mike
- medical guard (ship has responsibility fo the pier)
- flow where best seen
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- Oscar
- Man overboard
- Flown Where best seen
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- Papa
- personnel recall
- flown where best seen
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- quebec
- Boat recall
- Flow where best seen
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- uniform
- anchoring
- flown where best seen (rule of thumb is side anchor is dropped)
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- Prep
- colors
- Flown where best seen
- Closed up preparing to execute
- at the dip is execute
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day shape for at anchor?
one black ball
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day shape for aground
3 black balls
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when are absence indicators displayed?
sunrise to sunset
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- first substitute
- stbd outboard yardarm
- absence of flag officers, unit commanders, CO when acting as temporary unit commander
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- second substitute
- port inboard yardarm
- absence of chief staff or chief staff officer
- not displayed if CO's flag is not displayed
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- third substitute
- port outboard yardarm
- absence of CO or XO when CO departs for more than a period of 72 hours or more
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- Fourth Substitute
- STBD inboard yardarm
- absence of civil or military official whose flag is flying on that ship
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