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Quizzes > Quizzes for Business > Government

Maritime Navigation Rules Knowledge Test

Refine Your Maritime Rules and Signals Knowledge

Difficulty: Moderate
Questions: 20
Learning OutcomesStudy Material
Colorful paper art depicting a quiz on Maritime Navigation Rules Knowledge Test.

Ready to challenge your maritime navigation rules quiz skills? This Maritime Navigation Rules Knowledge Test is perfect for aspiring deck officers, boating enthusiasts, or maritime students seeking to sharpen their understanding of COLREG and seafaring regulations. You'll gain insight into vessel right-of-way, signal interpretation, and collision avoidance strategies, all in a flexible, multiple-choice format. Feel free to customize this quiz in our editor or explore related Maritime Basic Terminology Quiz and Maritime Radar Operation Knowledge Test for deeper practice. Browse more quizzes to build your maritime expertise.

When two power-driven vessels are meeting head-on, what is the correct action?
Both vessels should alter course to port and pass starboard to starboard.
Both vessels should alter course to starboard and pass port to port.
The vessel on the port side must give way.
Neither vessel moves until the other alters course.
When two power-driven vessels meet head-on, both vessels must alter course to starboard so they pass port to port, avoiding collision. This is specified in the head-on meeting rule under COLREGs.
A vessel displaying red over green lights at night is indicating which type of vessel?
Fishing vessel hauling nets.
Dredging vessel at work.
Pilot vessel.
Sailing vessel.
A red over green all-round light combination identifies a pilot vessel on station. This unique configuration distinguishes it from other vessel types under COLREGs.
Which sound signal indicates a vessel is at anchor in clear visibility?
Two prolonged blasts every two minutes.
One prolonged and two short blasts every minute.
One prolonged blast every minute.
Rapid ringing of a bell.
A vessel at anchor must exhibit one prolonged blast on the whistle at intervals not more than one minute. This distinguishes it from other sound signals.
When returning from sea, which lateral buoy marks the port side of a channel under IALA Region A?
Red buoy.
Green buoy.
Black buoy.
Yellow buoy.
Under IALA Region A, port-hand buoys are red when returning from sea. They should be kept on the vessel's port side when proceeding upstream.
In an overtaking situation, what is the obligation of the overtaking vessel?
Maintain a constant speed.
Sound a danger signal.
Keep clear of the vessel being overtaken.
Alter course to cross ahead.
The overtaking vessel must keep clear of the vessel being overtaken under the overtaking rules of the COLREGs, ensuring no risk of collision.
When two sailing vessels meet, which vessel is required to give way if one has the wind on its port side and the other on its starboard side?
The vessel with wind on its starboard side.
The vessel with wind on its port side.
The vessel to leeward.
The vessel to windward.
In sailing vessel crossings, the vessel with the wind on its port side must keep clear, giving way to the vessel with wind on its starboard side, according to the COLREGs.
What is the correct sound signal to indicate overtaking intent to another vessel in clear visibility?
One short blast.
Two short blasts.
Three short blasts.
Five short blasts.
Three short blasts are used to signal overtaking intentions to another vessel in clear visibility, indicating the overtaking vessel's maneuver.
What is the prescribed sound signal for a vessel aground?
One prolonged blast every two minutes.
Three distinct prolonged blasts followed by five short blasts.
Two prolonged blasts and one short blast.
Rapid ringing of a bell.
A vessel aground must sound three distinct prolonged blasts followed by five short blasts in a two-minute period to indicate its condition under the COLREGs.
Which color pattern identifies a West Cardinal mark?
Red over yellow over red.
Yellow over black over yellow.
Black over yellow over black.
Green over yellow over green.
A West Cardinal mark has black bands above and below a yellow band, indicating safe water lies to the west of the mark under the cardinal mark system.
In a crossing situation between a power-driven vessel and a sailing vessel, which is the stand-on vessel?
The power-driven vessel.
The sailing vessel.
The vessel to starboard.
The vessel to port.
When a power-driven vessel and a sailing vessel cross, the sailing vessel has the right of way as the stand-on vessel under the crossing rules of COLREGs.
What is the proper position to navigate within a narrow channel?
Keep to the center of the channel.
Keep as near to the outer limit of the starboard side as is safe.
Keep as near to the port side as is safe.
Navigate in the deepest part regardless of side.
In narrow channels, vessels should keep as near to the outer limit of the starboard side as is safe and practicable to avoid collisions and allow passage.
Which of the following is a recognized visual distress signal under international regulations?
A blue flag hoisted.
A square flag with a ball above or below it.
Firing white flares only during daylight.
Showing a red over white light at night.
A square flag above or below a ball is a recognized visual distress signal indicating a vessel in distress under international rules.
What lights must a vessel engaged in trawling display at night?
White over red all-round lights.
Red over white all-round lights.
Green over white all-round lights.
Red over green all-round lights.
A vessel engaged in trawling must display green over white all-round lights to indicate its restricted ability to maneuver as a fishing vessel.
When passing a port-hand lateral buoy, on which side should it be kept?
On the vessel's starboard side.
On the vessel's port side.
Either side, depending on traffic.
It should be passed under the keel.
Port-hand buoys should be kept on the vessel's port side when navigating, guiding vessels through the channel correctly.
What does one short blast on the whistle signal in power-driven vessel maneuvering?
I intend to alter my course to port.
I intend to alter my course to starboard.
I am operating astern propulsion.
A warning signal of danger.
One short blast signifies the intention to alter course to starboard, providing a standardized communication between vessels.
If a stand-on vessel observes that the give-way vessel is not taking appropriate action to avoid collision, what must the stand-on vessel do?
Maintain course and speed and sound a danger signal only.
Take action to avoid collision if necessary.
Reverse engines immediately.
Shut down all navigation lights.
Although a stand-on vessel should maintain course and speed, if the give-way vessel fails to act, the stand-on vessel must take action to avoid collision as per COLREGs.
In the IALA Region B system, what color marks the starboard side of a channel when returning from sea?
Green.
Red.
Yellow.
Black.
Under IALA Region B, red buoys mark the starboard side of a channel when returning from sea, the opposite of Region A conventions.
A vessel displaying two red all-round lights in a vertical line at night is indicating what status?
Vessel at anchor.
Vessel not under command.
Vessel engaged in fishing.
Pilot vessel on station.
Two red all-round lights vertically aligned indicate a vessel not under command, meaning it cannot maneuver as required by the regulations.
When two sailing vessels are both on a port tack, which vessel is required to keep clear?
Leeward vessel.
Windward vessel.
The vessel with the most sail up.
The vessel closer to shore.
If both sailing vessels are on the same tack, the vessel to windward must keep clear of the leeward vessel under the sailing rules of COLREGs.
Which VHF channel is designated for distress, safety, and calling?
Channel 12.
Channel 13.
Channel 16.
Channel 70.
VHF Channel 16 (156.8 MHz) is internationally designated for distress, safety, and calling, ensuring rapid response to emergencies.
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Learning Outcomes

  1. Identify vessel right-of-way scenarios in open waters
  2. Apply COLREG rules to avoid collisions effectively
  3. Interpret navigation lights, buoys, and sound signals
  4. Evaluate safe passing and overtaking procedures
  5. Demonstrate proper responses to distress and emergency signals

Cheat Sheet

  1. Get to Know the COLREGs - The COLREGs are the "rules of the road" for ships, ensuring clear communication and safe movement on the high seas. Treat them like a driving manual for boats and keep them handy during every voyage. COLREGs on Wikipedia
  2. Master Right-of-Way Scenarios - Whether you're head-on, crossing, or overtaking, knowing who yields prevents dangerous near-misses. Practice each scenario mentally so you react instantly when two vessels meet. BoatUS Navigation Rules
  3. Decode Navigation Lights - Spot a red light on the port side, green on starboard, and white at the stern to instantly tell a vessel's direction at night. It's like reading traffic signals but on water! Navigation Lights Guide
  4. Navigate Buoy Markings - Remember "red right returning": red buoys on your starboard side when coming home, green on port. Buoys are your floating GPS - learn their patterns for smooth channel runs. BoatUS Navigation Rules
  5. Learn Sound Signals - One short blast means turn starboard, two for port, and three means you're backing up. These blasts are your vocal cues to other vessels - use them clearly and promptly! Starpath Rules Handbook
  6. Perfect Passing & Overtaking - Always try to overtake on the port side and announce your intentions with a blast or radio call. Clear communication turns potential clashes into smooth maneuvers. BoatUS Navigation Rules
  7. React to Distress Signals - Flares, continuous foghorn blasts, and waving arms demand immediate help. Know your duty to assist - ignoring a plea for aid can be worse than a collision! Distress Signals Overview
  8. Keep a Sharp Lookout - Your eyes and ears are your first defense. Scan frequently, listen for engine noise, and never get complacent - collisions often happen when you least expect them. COLREGs Lookout Rule
  9. Choose a Safe Speed - Adjust your pace for visibility, traffic density, and sea conditions. Slow down in fog or heavy traffic to give yourself more time to react and maneuver. Speed Regulations
  10. Understand Vessel Hierarchy - Power-driven vessels usually yield to sailboats, and fishing boats with gear restrictions get priority. Knowing who gives way keeps everyone afloat and happy. Right-of-Way Rules
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