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OS1 Advancement study Guide- For my bros and me > #3 Navigation Stack 61-90 > Flashcards

#3 Navigation Stack 61-90 Flashcards

1
Q

A whistle blast of 4 to 6 seconds is what type of blast?

A

Prolonged Blast.

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2
Q

In a narrow channel, in International waters, a vessel intending to overtake another vessel to starboard, sounds that whistle signal?

A

Two prolonged followed by one short blast.

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3
Q

When there is doubt about a sounded signal and sufficient action is NOT being taken to avoid collision, which signal should be sounded?

A

Five Short Blasts.

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4
Q

According to the Inland Rules, what whistle signal should you recommend in order to agree with a proposal from a ship astern to pass your ship to starboard?

A

One Short Blast.

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5
Q

A vessel underway, but making no way through the water, standing in a fog, must sound which of the following signals?

A

Two prolonged blasts with an interval of two seconds between the blasts, every two minutes.

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6
Q

A whistle signal of four short blasts identifies what situation?

A

A pilot vessel on pilotage duty.

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7
Q

Ships engaged in UNREP have right-a-way over what units?

A

Units conducting flight ops.

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8
Q

What unique light is displayed by an air cushion vehicle?

A

All around yellow flashing light.

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9
Q

What unique light is displayed by a towing vessel with a tow under 200 meters?

A

Two masthead lights.

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10
Q

What unique light is displayed by towing vessel with a tow over 200 meters?

A

Three masthead lights.

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11
Q

What day shape is displayed by a towing vessel?

A

Diamond.

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12
Q

What day shape is displayed by a sailing vessel propelled by machinery?

A

Cone with apex down.

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13
Q

What navigation lights and day shapes are displayed by a trawling vessel?

A

Green over white/

Two cones with apexes together.

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14
Q

What navigation lights are displayed by fishing vessel?

A

Red over White.

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15
Q

What navigation lights and day shapes are displayed by a vessel not under command?

A

Red over Red/

Ball over Ball.

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16
Q

What navigation lights and day shapes are displayed by a vessel restricted in her ability to maneuver?

A

Red over White over Red/

Ball-Diamond-Ball

17
Q

What navigation lights and flags are displayed by diving vessels?

A

Red over white over red/

Code Alpha.

18
Q

What navigation lights and day shapes are displayed by a vessel constrained by her draft?

A

Three vertical red lights/

Cylinder.

19
Q

What lights are displayed by a pilot vessel?

A

White over red.

20
Q

What navigation lights and day shapes are displayed by a vessel aground?

A

Red over Red/

Three black balls.

21
Q

What navigation lights and day shapes are displayed by a vessel at anchor?

A

Anchor lights and deck lights/

Black ball.

22
Q

What is the general principle embodied in Rule 18 of the Rules of the Road?

A

That more maneuverable vessels keep clear of those less maneuverable.

23
Q

What are the two types of buoy systems?

A

Lateral and Cardinal.

Lateral used for well-defined coast.
Red Starboard even.
Green Port odd.

Cardinal used for shoal.
Red to Port, Black to Starboard.

24
Q

What type of buoy mark indicates the port and starboard hand sides of a channel?

A

Lateral Mark.

25
Q

What fog signals are sounded by a vessel at anchor?

A

Rapid ringing of bell forward, followed by rapid ringing of going aft. Ringing of five seconds duration, interval not to exceed one minute.

26
Q

What is an overtaking situation?

A

When one vessel approaches another from any direction more than 22.5 degrees abaft its beam.

27
Q

What major aid to navigation provides light, sound signals, and radio beacon service in a similar fashion to lightships?

A

Large Automatic Navigational Buoys (LANBY).

28
Q

What sound signal is used in a narrow channel, in International waters, and overtaking port side?

A

Two Prolonged and Two Short.

29
Q

What sound signal is used for getting underway?

A

One Prolonged.

30
Q

Who has right of way in an overtaking situation?

A

Vessel being overtaken.

OS1 Advancement study Guide- For my bros and me (9 decks)

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