Able Bodied Seaman - Rules of the Road Practice Test

These questions are part of the practice quiz. Start practicing

• Under what condition can a sailboat be without its masthead light?
• What is the not-underway fog signal for an anchored vessel under 100 meters?
• What is the typical color configuration for port and starboard sidelights?
• How is a power-driven vessel defined?
• What should you do if you observe a vessel displaying day shapes indicating restricted maneuverability?
• In crossing situations, which vessel must give way?
• What is the purpose of day shapes?
• How many 360 white lights are required for an anchored boat less than 50 meters?
• Which factors should you assess to determine a safe pass when two vessels are on collision courses?
• What is the night signal for a vessel not under command?
• What day shape accompanies a vessel that has run aground?
• After using a VHF to clarify intentions, what should you continue to monitor?
• Which statement best describes Inland Rules versus International COLREGs in the AB Seaman context?
• Which signal indicates you may overtake on your starboard side?
• What type of vessel uses a cone day shape pointing down?
• If a fishing vessel has gear extended 150 meters to the side, what day shape addition is used?
• The vessel that is required to take early and substantial action to keep well away from other vessels by stopping, slowing down or changing course.
• For a tug and tow of 200 meters or less, which light configuration is correct?
• White over Red indicates which situation?
• What is the night signal for a vessel restricted in its ability to maneuver?
• Which signal equipment is required for a vessel 100 meters or more under Inland and international rules?
• One long, one short, one long, one short (International when being overtaken) means?
• Which statement about maintaining a proper look-out is correct?
• Which signal indicates you may overtake?
• Which signal indicates a vessel constrained by its draft (CBD) in International conventions?
• What is the typical visual indication that a vessel is constrained by its draft?
• When being overtaken, what signal should you respond with?
• What is the sound signal for being towed in restricted visibility (if manned)?
• What does 'right-of-way' imply in COLREGs?
• Which equipment is recommended to help detect and track other vessels for collision avoidance?
• Which signal indicates you do not understand the other vessel's intentions/Warning-Doubt?
• Which of the following pairs a color pattern with its day shape for Red Over Red?
• What day shape indicates a vessel at anchor?
• If a vessel overtakes another, which vessel is the stand-on vessel?
• Which color is the starboard sidelight on a power-driven vessel underway?
• Two long and two short blasts (International when overtaking) indicate overtaking on which side?
• In overtaking at night, which statement identifies overtaking?
• What does Rule 10 (Traffic Separation Schemes) require?
• What is a fishing vessel in COLREGs terms?
• Which of the following describes the color and rate of a special flashing light used on a tow?
• Rule 18 addresses:
• A light described as a flashing light must flash at a minimum rate of how many flashes per minute?
• Under Rule 33, a vessel longer than 12 meters but not more than 20 meters must sound with which signal?
• Which describes Safe Speed?
• Which vessels may not impede passage in a narrow channel?
• What action should a watchstander take if weather worsens and visibility drops?
• Which statement is true about giving-way actions in dense traffic?
• When the tow length exceeds 200 meters, what additional day shape must be displayed?
• Which day shapes indicate a vessel not under command?
• What is the general guideline for handling traffic at a narrow channel?
• Constant Bearing Decreasing Range is indicated when which statement is true?
• In the acronym, what does 'Fish' represent?
• Red over red with a 360 white light indicates which condition?
• What should you do when visibility is reduced due to weather?
• Under Inland and international rules, a vessel 50 meters or more shall have what sound signal equipment?
• What day shapes would a vessel engaged in underwater operations display?
• In restricted visibility scenarios, what is recommended due to collision risk?
• What is the sound signal for all encumbered vessels in restricted visibility?
• Which day shape indicates a vessel aground?
• What is the night signal for a sailing vessel underway?
• For motor vessel underway greater than or equal to 20 meters and less than 50 meters, which lights are required?
• The masthead light covers how many degrees?
• Two long and one short blast, International when overtaking, indicates you intend to overtake on which side?
• Which statement about masthead lights is correct for a power-driven vessel underway?
• For an anchored vessel greater than or equal to 100 meters, which statement about lighting is true?
• In inland overtaking, which signal indicates you intend to overtake on your port side?
• Which four vessel types are described as turning off side, stern lights, and if required masthead lights when underway and not making way?
• Which statement correctly contrasts not under command and RAM?
• Which light configuration indicates a RAM (Restricted in Ability to Maneuver) vessel?
• Under Inland and international rules, a vessel 100 meters or more shall have what sound signal equipment?
• Which length category requires two separate masthead lights on a vessel?
• Which category comprises day signals under COLREGs?
• A vessel conducting underwater operations shall display which day shape?
• What is meant by a 'vessel not under command'?
• Three Greens on a yard indicates Mine clearance.
• In poor visibility, what is the primary factor in determining safe speed?
• Which statement about following a Traffic Separation Scheme is correct?
• Which statement describes how COLREGs determine priority in encounter types?
• What color is the port sidelight?
• Why is the distinction between stand-on and give-way vessels important?
• Which signals indicate a vessel not under command?
• A vessel with two separate masthead lights indicates which length category?
• What is the general rule about using a VHF radio in collision avoidance?
• Which light configuration is used for towing astern on both international and inland waters?
• Who has priority when two power-driven vessels are in crossing paths with a risk of collision?
• A vessel at anchor shall display what day shape?
• In a scenario with a sailing vessel and a power-driven vessel meeting head-on, who should maneuver if necessary?
• If you are unsure of another vessel's status, what should you do?
• In head-on situations involving international vessels, what action is required?
• Approaching a green sidelight means?
• Under Rule 33, what signal is required for vessels over 100 meters?
• In inland navigation, when you are being overtaken, what signal should you respond with to indicate the overtaking vessel may pass?
• What is the sound signal for a power-driven vessel with restricted visibility that is underway, making way?
• What is the night signal for a power-driven vessel underway?
• Which indicators tell other vessels that a vessel is anchored?
• Which factor is most relevant to determine if there is enough margin for safe maneuver?
• How should you respond if you encounter a vessel signaling distress?
• Rule 33 applies to signals for vessels over 20 meters. What signal is required?
• In the acronym, what does 'Purchase' represent?
• A vessel constrained by its draft (CBD) uses which day shape?
• What is Rule 34 primarily about?
• Which of the following is a RAM signal combination?
• Which day shape indicates a vessel restricted in its ability to maneuver?
• Not Underway fog signals for an anchored vessel less than 100 meters
• In a power-driven vessel underway, what is the color arrangement of the sidelights?
• Mine clearance Rule 27 requires other vessels to stay at least how many meters away?
• Red over Green indicates what?
• What do day shapes and lights indicate about a vessel's maneuvering status?
• In a crossing situation, which vessel has the right of way?
• In a crossing situation, what should the stand-on vessel do?
• Which rule governs lights and shapes?
• The absence of a masthead light indicates the vessel is which type?
• How do Inland Rules differ from International COLREGs for the AB Seaman exam context?
• When approaching a vessel that is not signaling its status, what is the recommended action?
• What is the night signal for a vessel engaged in fishing?
• In crossing situations, which vessel generally has the right of way, and which must give way?
• Which light configuration indicates inland-only pushing ahead or hip towing a fellow?
• What best describes the fundamental rule for vessel passage and mutual awareness?
• What does 'risk of collision' mean in Rule 7?
• In traffic separation schemes, vessels should:
• Which statement best describes how a RAM vessel signals?
• The sidelight beam on a small vessel underway (under 20 meters) is how many degrees per side?
• The special flashing light used on a tow in inland waters must be what color and rate?
• Why is early action emphasized in Rule 8?
• In the acronym, what does 'Often' represent?
• Nav lights for motor vessel underway less than 12 meters: which lights are required?
• When encountering distress signals from another vessel, what is the recommended action?
• In an overtaking situation, what must the overtaking vessel do?
• What does Rule 9 (Narrow Channels) require?
• What factors should you consider when determining a safe distance between vessels?
• How is 'safe speed' defined in Rule 6?
• Under Rule 5, what is required of a proper look-out?
• What is the role of radar in applying COLREGs?
• Which signal indicates you intend to overtake on your starboard side?
• How should vessels operate in restricted visibility?
• Approaching a redside light means?
• Overtaking is a situation in which the vessel astern at night sees only the stern lights of the vessel ahead and the astern vessel wants to pass. The cut off point for stern lights and side lights is 22.5 degrees aft of midships.
• In a head-on situation, what should both vessels do?
• One main purpose of day shapes is to communicate a vessel’s status to other vessels even in poor visibility.
• What is the day shape for a RAM (Restricted in Ability to Maneuver) vessel?
• In the acronym, what does 'Some' represent?
• In restricted visibility, which two vessel types sound the same signal when underway or at anchor?
• In a crossing situation, which vessel is the stand-on vessel?
• What is the purpose of the COLREGs (Rules of the Road)?
• If you encounter a vessel signaling distress, what action is appropriate?
• In head-on situations, what is the recommended course of action if safe passing cannot be achieved?
• In traffic at sea, which practice aligns with following lanes in a traffic separation scheme?
• Under 12 meters, what signaling is required?
• Not Underway fog signals for an anchored vessel equal to or greater than 100 meters
• In restricted visibility, what is the purpose of sound signals?
• For an anchored vessel greater than or equal to 100 meters, which description correctly states the lighting requirement?
• Rule 34 governs which type of signals?
• What does a white flag followed by a blue flag mean?
• What does the signal of two short blasts in International waters indicate?
• If collision risk persists in a crossing, what may the stand-on vessel do?
• For motor vessel underway greater than or equal to 50 meters, which lights are required?
• In the acronym, what vessel is represented by 'Reels'?
• Five short blasts (International and inland when overtaking) indicate which outcome?
• Day shapes are used to communicate a vessel's status even in poor visibility.
• Green over White indicates which activity?
• Additional day shape for fishing vessel with gear 150 meters to the side?
• CBDR stands for Constant Bearing Decreasing Range — a target whose range is decreasing and bearing is not changing is on a collision course.
• The signal One long, two short is used by which vessels in restricted visibility?
• The vessel that must maintain its course and speed unless it becomes apparent that the give-way boat is not taking appropriate action; if you must take action, do not turn toward the give-way boat or cross in front of it.
• Which statement about RAM remains true?
• In crossing situations, which statement best describes how COLREGs determine which vessel must take action?
• In a near-collision, the stand-on vessel should take action to avoid collision.
• What is the sound signal for a power-driven vessel with restricted visibility underway, not making way?
• Which signal indicates a pilot ahead?
• Which activity is indicated by Red over White?
• Which signal signifies a blind bend for both, and is used inland also when leaving berth?
• What are the intervals for restricted visibility underway sound signals?
• Which of the following is NOT among the four vessels that may not impede passage in a narrow channel?
• Under International rules, one short blast indicates what action?
• One short blast (Inland when overtaking) indicates which action?
• What is the typical purpose of the anchor light and anchor day shape?
• Under Rule 7, risk of collision exists when the bearing to the approaching vessel does not appreciably change.
• Which statement about COLREGs priorities in encounters is correct?
• One long blast (Inland and International) is used as a blind bend for both; inland also when leaving berth. What does this signal convey?
• Which statement is true about Red Over Red signals?
• Three short blasts (International and Inland) convey which meaning?
• Which scenarios commonly test knowledge of COLREGs for AB Seamen?
• In the acronym, what does 'So' represent?
• In COLREGs, how is a sailing vessel defined?
• Which signal sequence indicates a vessel at anchor when there is a possibility of collision?
• In a crossing between two power vessels, which vessel should keep out of the way?
• When would a sailboat have their masthead light off?
• Under Inland rules, one short blast indicates what action?
• In the acronym, what does 'Catch' represent?
• If a flashing light is assigned to a hovercraft, what color is it?
• In a near-collision situation, the stand-on vessel should
• Which signaling combination is consistent with maneuvering rules?
• Which statement best describes Rule 18?
• Which set of vessels is described as turning off side, stern, and if required masthead lights when underway, not making way?
• Signals indicating a vessel is fishing are described as what?
• In collision avoidance, which factor indicates that a safe passing is possible?
• In inland navigation, what does the signal of two short blasts indicate when you are overtaking another vessel?
• The towing light is which color?
• Underway motor vessel less than 20 meters, which navigation lights are required?
• Inland vessels may radio or sound signal for an alternative course of action.
• What combination of signals indicates a vessel not under command?
• For an anchored boat less than 100 meters, how many 360 white lights are required?
• Two short blasts (Inland) indicate which action?
• In International and Inland rules, five short blasts when overtaking means what?
• What light configuration indicates a tug and a long tow when the tug and tow exceeds 200 meters?
• In the priority acronym, what does 'New' denote?