General Rules

Question 1

Rule 18 - is the classification/pecking order of vessels. A good memory aid to remembering this is as follows : New Reels Catch Fish, So Purchase Some Often

NUC - not under command (broken down)
RAM - Restricted in ability to maneuver (nature of work)
CBD - Constrained by draft (International only)
Fishing - commercial , NOT trolling
Sailing -
Power
Seaplane
Overtaking vessel

Answer 1

Day shapes

Diamond 1) vessel towing astern with tow exceeding 200m
2) towed vessel with tow exceeding 200m
3) partly submerged object with tow exceeding 200m

2 Diamonds - vessel dredging, diamonds shown on side for passing
Ball, diamond, ball - RAM
1 Ball - vessel at anchor
2 Balls vertically - vessel dredging, balls shown on side of obstruction
3 Balls vertically - vessel aground
3 Balls (roof shape) - mine clearing
Cone, apex down - sailing vessel operating under power
2 cone, apexes together - fishing vessel, includes trawling
Cylinder - CBD

Question 2

What is the difference between 3 short blasts and 1 prolonged blast (inland rules)?

Answer 2

3 short blast is astern

1 long is leaving the dock

Question 3

You are operating in restricted visibility. You hear a vessel ringing a bell for 5 seconds every minute, what does this mean?

Answer 3

Vessel is at anchor

Question 4

You are operating BT5 in close to the shallow water habitat in reduced visibility. Through the fog, you hear 3 distinct strokes of a bell followed by ringing for 5 seconds followed by 3 strokes on the bell. What does this mean?

Answer 4

Vessel aground

Question 5

Towed vessels (barge or vessel) inland waters being pushed ahead or towed alongside along with other light schemes shall also show what other kind of light? Where shall it be located, flashes per minute and what the arc of visibility?

Answer 5

Located forward on the vessel
50-70 flashes per minute
Arc of visibility 180 - 225

Question 6

Tell me the identification lights for a submarine vs a hover craft.

Answer 6

Submarine - ** ** one flash per second for 3 seconds followed by 3 second off period

Hover - when in NON DISPLACEMENT mode flashing yellow 120 fpm

Question 7

Rule 35 - sound signals

Restricted visibility, underway, intervals of not more that _____minutes.
Describe sound signals for the following :
Power making way
Power not making way
Sailboat/all encumbered vessels (nuc, ram, cbd, fishing, sailing, towing)
Towing (if manned)
Pilot identification signal

Answer 7

2 minutes

===

=== ===
=== **
=== ***
**

Question 8

Rule 30 - anchored vessels

There are a few different light schemes for vessels at anchor depending on length of vessel. The different include, less than less than 50m, less than 100m, greater than 100m. Describe the lighting scheme for each and what dayshape you will expect to find.

Answer 8

Less than 50m - one all around white
Less than 100m - two all around white
Greater than 100m - two all around white ALSO illuminate decks

Day shape - black ball

Question 9

Rule 24 - towing

What are the inland towing lighting schemes on a tow boat for pushed ahead or towed alongside? What are the lights special flashing light characteristics?

Answer 9

2 yellow lights on stern 135degree lights on stern
Flashing 50-70 fpm 180 - 225 degrees

Question 10

Rule 24 - towing

What are the international towing lighting schemes on a tow boat for pushed ahead or towed alongside? What are the masthead lights and stern lights and day shapes?

Answer 10

Pushing ahead/alongside - 2 white lights 225 degrees less than 200m tow
3 lights 225 degrees over 200m tow

Stern light - 135 degrees yellow over white

Day shape - diamond