Able Bodied Seaman - Rules of the Road Practice Test

These questions are part of the practice quiz. Start practicing

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