Naval Skills, Unit Five, Chapter One: Nautical Rules of the Road

What is the common abbreviation for The International Regulations for Preventing Collisions as Sea?
1. COLREGS
2. Rules of the Road
3. U.S. Inland Rules
4. International Rules
5. Navigational Rules Act of 1980
What international body is the parent organization of the International Maritime Organization (IMO)?
1. The United Nations
2. The International Court of Justice at the Hague
3. NATO
4. The European Union
5. The International Merchant Marine
Under international rules, when a vessel is not at anchor, moored or aground it is considered to be ____________.
1. Under way
2. Steaming
3. Running
4. Moving
5. Adrift
Which of the following is NOT covered by both international and inland rules?
1. All of the items listed are covered by both the international and inland rules.
2. Lights
3. Shapes
4. Sound signals
5. Steering
Proper lights must be shown by all vessels from _______ to __________.
1. Sunset to sunrise
2. Sunrise to sunset
3. 0600 - 2200
4. 2200 - 0600
5. One hour prior to sunset to one hour after sunrise
Running lights carried by all seagoing power-driven vessels come in all of the colors listed below EXCEPT _________.
1. Blue
2. Red
3. White
4. Green
5. All of these are required colors on seagoing power-driven vessels.
The white light on the aftermast is called what?
1. The range light
2. The masthead light
3. The after sidelight
4. The starboard sidelight
5. The port sidelight
White range lights are required ___________________________________.
1. only on vessels 50 meters or more in length.
2. only on vessels less than 50 meters in length.
3. on all ocean-going vessels.
4. to be on continuously between sunrise and sunset.
5. to be placed on both the mainmast and the aftermast.
One dark night you notice the lights of a supertanker at sea. You see a single white light. Which of the following statements is TRUE?
1. The ship is heading directly away from you.
2. The ship is heading directly towards you.
3. The ship is crossing from right to left.
4. You cannot tell which general direction the ship is moving with only this amount of information.
5. The ship is crossing from left to right.
On a dark night you notice the lights of another ship directly ahead of you. You see a red light on the left and a white light on the right. What direction is this ship heading relative to your ship?
1. Left to right
2. Right to left
3. Straight towards you
4. Directly away from you
5. It is impossible to determine this given you can only see two lights.
Under what condition would a white masthead light be an "all-around" light rather than a sector light?
1. If the vessel is less than 12 meters in length.
2. If the vessel is longer than 50 meters in length.
3. If the vessel does not have an aftermast, and therefore only has one white light.
4. Masthead lights can never be all-around lights.
5. Masthead lights are always all-around lights.
The upper white lights on a ship must be visible from at least _____ miles. Port and starboard sidelights, as well as the stern light, must be visible from at least _____ miles.
1. 5, 2
2. 2, 5
3. 10, 5
4. 5, 10
5. 10, 2
Which of the following is the memory aid used when looking for the special identifying lights of a power-driven pilot boat at night?
1. White over red, pilot ahead.
2. Red over white, pilot at night.
3. Red over green, pilot is seen.
4. White over green, pilot is seen.
5. Green over white, pilot at night.
What is the shape and the color of a "day shape"?
1. A black ball
2. A red ball
3. A black triangle
4. A red triangle
5. A yellow ball
What would three white lights on a vessel towing another vessel indicate?
1. The towed vessel is over 200 meters astern of the towing vessel.
2. The towing vessel is greater than 50 meters in length.
3. The towed vessel is greater than 50 meters in length.
4. The towed vessel is over 50 meters astern of the towing vessel.
5. The towing vessel is in a "not under command" status.
A ship showing two red lights, one over the other, is in what condition?
1. Not under command
2. Under way
3. Anchored
4. Moored
5. Towing another vessel
Which of the following is NOT a special rule for naval vessels that varies from the standard international rules of the road?
1. Naval vessels hoist a "5" flag if not under command and will also hoist 2 black balls as a warning in international waters.
2. The white lights on aircraft carriers are usually on the superstructure and off the centerline.
3. Naval vessels will show no lights at all during darkened ship exercises.
4. U.S. submarines display an amber-colored intermittent flashing beacon when running surfaced.
5. The horizontal separation of white lights on destroyers can be less than normally required by the rules.
What is the difference between whistle signals in U.S. inland waters and those sounded in international waters?
1. In U.S. inland waters, they signal intention only. In international waters, they signal execution.
2. In U.S. inland waters, they signal execution. In international waters they signal intention only.
3. In U.S. inland waters they are required signals. They are not always required in international waters.
4. In international waters they are required signals, They are not required in U.S. Inland Waters.
5. There is no difference. Whistle signals are required and have the same meaning in both systems.
In international waters, what would two short blasts of a whistle indicate?
1. I am altering my course to port.
2. I am altering my course to starboard.
3. My engines are going astern.
4. Danger
5. My engines are going ahead.
In international waters, what whistle signal would you use to indicate that your engines were going astern?
1. Three short blasts
2. One short blast
3. Two short blasts
4. Four short blasts
5. Five or more short blasts
Under international rules, the ship that has the responsibility to keep clear of the other vessel is called what?
1. The give way vessel
2. The stand on vessel
3. The overtaking vessel
4. The meeting vessel
5. The crossing vessel
What is another name for a situation where your range to another ship is decreasing but the bearing to that ship is not?
1. A collision course
2. Dead reckoning
3. An overtaking situation
4. A crossing situation
5. A stand-on situation
In meeting situations, both vessels are give way. Power vessels meeting in a genuine head-to-head situation are required to pass _________________________.
1. Port to port
2. Starboard to starboard
3. Port to starboard
4. Starboard to port
5. Bow to stern
In a crossing situation, the power vessel having the other to starboard is _____________.
1. The give-way vessel
2. The stand-on vessel
3. The stand-off vessel
4. The crossing vessel
5. The overtaking vessel
In a crossing situation in U.S. inland waters, what must the give-way vessel never do?
1. Cross in front of the stand-on vessel
2. Turn to the starboard
3. Stop her movement
4. Reverse engines
5. Pass behind the stand-on vessel
In overtaking situations, which vessel is the give-way vessel?
1. The vessel that is overtaking the other.
2. The vessel that is being overtaken.
3. Both vessels are considered to be give-way vessels in this case.
4. Neither vessels are give-way vessels in this case.
5. It depends on whether you are in U.S. inland waters or international waters.
Powered vessels must keep to which side of a narrow channel?
1. Starboard
2. Port
3. They must stay in the middle of the channel whenever possible.
4. This depends on whether you are in U.S. inland waters or international waters.
5. There is no prescribed rule in this regard either in U.S. inland waters nor international waters.
When is the departure from the rules of the road permissible and even mandatory?
1. To avoid collision
2. It is never permissible
3. When no other vessel is in sight
4. In dense fog
5. During time of war
When in dense fog, what is the difference between hearing a whistle and a bell?
1. A whistle indicates the ship is moving. A bell indicates it is anchored.
2. A whistle indicates the ship is anchored. A bell indicates it is moving.
3. A whistle indicates the other ship has you in sight, whereas a bell indicates they do not.
4. A whistle indicates a power-driven vessel whereas a bell indicates a ship over 100 meters in length
5. Whistles are only used by ships whereas bells are on buoys.
Which of the following is not a published, standard distress signal?
1. The national ensign hoisted upside down.
2. The daytime continuous sounding with any fog signal apparatus, or firing a gun.
3. At night, flames from a burning tar or oil barrel.
4. The radiotelephone voice signal "Mayday".
5. A flaghoist flying the flags November Charlie (NC)