COLREGs International Regulations for Preventing Collisions at Sea (IRPCS) Practice Test

These questions are part of the practice quiz. Start practicing

• Which term refers to vessels employed for essential maneuvers that restrict their ability to navigate?
• Rule 23 provides regulations for which type of vessels?
• According to Rule 9, how should vessels behave in a narrow channel?
• In a head-on situation, what is the action that both vessels must take?
• What is the focus of Part B Section 3?
• What priority must a power-driven vessel give to a sailing vessel under Rule 10?
• Which indication may suggest that a risk of collision exists?
• What must be assessed to determine an appropriate safe speed?
• What must an overtaking vessel indicate before attempting to pass in a narrow channel?
• What must vessels do if both are sailing with the wind on the same side?
• Which of the following best describes a vessel "underway"?
• Which term describes a vessel constrained by draught?
• What is the recommended action for a vessel regarding anchoring in a traffic separation scheme?
• Under what rule is the visibility of vessels determined?
• What should not be assumed when determining risk of collision based on radar information?
• What should a vessel not using a traffic separation scheme do?
• When must a vessel take early action to avoid impeding another vessel?
• How is a vessel deemed to be overtaking another vessel?
• What is the focus of Part A of the COLREGs?
• What should a vessel do if it is unsure about collision risk?
• What is the primary authority governing navigation on the high seas?
• How should a non-power-driven vessel exhibit itself at night?
• Which parts of the COLREGs focus on sound and light signals?
• What does Rule 8 require vessels to do to avoid collision?
• What should a vessel engaged in fishing do while navigating in a narrow channel?
• How many parts are there in the COLREGs?
• Which part of the COLREGs addresses 'Verification of Compliance with the Provisions of the Convention'?
• What is the proper protocol for taking action to avoid a collision?
• What type of vessel should avoid impeding a seaplane on the water?
• What is one critical aspect of navigating in close-quarters situations?
• How does Rule 12 distinguish between vessels' responsibilities in crossing situations?
• What is the significance of Rule 33 regarding shapes displayed by vessels aboard?
• How should alterations to course or speed be made to avoid collision?
• What constitutes 'due regard' in navigation?
• How must vessels signal in case of restricted visibility as per Rule 35?
• What does Rule 10j state about vessels less than 20m or sailing vessels?
• When must a WIG craft keep well clear of all other vessels?
• What does Rule 26 specify regarding anchor lights?
• What does Rule 34 emphasize about proceeding through a "TSS" (Traffic Separation Scheme)?
• What is required of every vessel regarding look-out?
• Which rule discusses the actions of vessels constrained by their draft?
• Which rule addresses the risk of collision?
• What should a vessel do if necessary to avoid a collision?
• What action should a stand-on vessel take if a collision cannot be avoided by the give-way vessel alone?
• What does Rule 19 concern?
• Which section discusses 'Conduct of Vessels in Restricted Visibility'?
• What does Part E of the COLREGs cover?
• Which rules cover lights and shapes in maritime navigation?
• What is the primary obligation of a vessel under rule 10 when engaged in safety maintenance?
• What is the primary focus of rules 4-10 in the COLREGs?
• What is the primary purpose of Rule 9 concerning narrow channels?
• Under what circumstances do COLREGs apply?
• According to COLREGs, what is the term for the responsibility of avoiding collisions?
• How should vessels conduct themselves when overtaking another vessel according to COLREGs?
• What must a vessel using a Traffic Separation Scheme (TSS) do while navigating?
• Which of the following statements is true regarding collision responsibility?
• How many rules are included in the COLREGs?
• What shapes should a vessel constrained by her draft display?
• What is the rule concerning the use of inshore traffic zones?
• In cases of restricted visibility, which action is least recommended?
• What does Rule 14 state regarding head-on situations?
• How do 'end devices' affect visibility according to COLREGs?
• When two sailing vessels are approaching, what should the vessel which has the wind on the port side do?
• Which of the following actions should be avoided when trying to prevent a collision?
• What does Rule 15 dictate concerning crossing situations?
• What should a vessel do if it hears a fog signal from another vessel ahead of her beam according to Rule 19e?
• Which vessel has a responsibility to avoid impeding safe navigation according to Rule 9?
• What is the exemption for vessels restricted in their ability to maneuver during safety operations in TSS?
• Under Rule 3, how is "underway" defined?
• What should vessels be monitoring continuously during navigation?
• What is the range of rules covered in Part C?
• What does the term "restricted visibility" refer to?
• Which chapter of the COLREGs contains the general rules?
• What is one of the obligations of vessels under Rule 18 concerning CBD?
• What is essential for a vessel to navigate with when there is a risk of collision?
• What is the main consideration for all vessels in sight of one another according to the COLREGs?
• In a crossing situation, which vessel is obligated to keep out of the way?
• Rule 18 outlines responsibilities between which of the following?
• What is required of a vessel that has the right of way in terms of Rules compliance?
• What should a vessel be prepared to do in the event of a close-quarters situation?
• What should a vessel do when navigating near the terminations of traffic separation schemes?
• What requirement does Rule 4 of COLREGs emphasize?
• Which vessels are denoted as "give-way vessels"?
• What should the stand-on vessel do when one vessel is required to give way?
• What type of rules does Part C of the COLREGs cover?
• What happens if a vessel alters its bearing after overtaking another vessel?
• Why must vessels navigate with extreme caution under certain conditions?
• Under which condition must a vessel take avoiding action as per Rule 19d?
• What must a vessel do if it cannot accurately determine the windward vessel?
• In the case of a square-rigged vessel, how is the windward side determined?
• What shape must a vessel fishing at night display?
• What is the primary purpose of the COLREGs?
• According to Rule 19d, what should a vessel avoid if altering course?
• When may a vessel use all available means to avoid a collision?
• What is required of a give-way vessel according to the regulations?
• Which Rule mentions the conditions for using sound signals under specific regulations?
• When should a vessel take action to avoid a collision according to COLREGs?
• What characterizes the majority of vessel interactions as defined by the regulations?
• What does Rule 10 govern?
• What should a vessel do to avoid impeding the passage of a vessel constrained by her draught?
• If a vessel possesses the other on its starboard side in a crossing situation, what should it do?
• How should a vessel navigate a narrow channel?
• What light configuration should a power-driven vessel exhibit when anchored?
• If the situation allows, what is the ideal time frame for making an alteration of course?
• What must overtaking vessels do to facilitate safe passing in a narrow channel?
• How should a power-driven vessel navigate in restricted visibility?
• Under what condition can a vessel engaged in laying or servicing submarine cables in a TSS be exempt from compliance?
• How does Rule 25 address the display of anchor lights?
• What is the primary concern of Rule 19?
• What should a seaplane on the water do when there is a risk of collision?
• When operating radar, what is essential for assessing risk of collision?
• What does Rule 21 cover regarding lights and shapes?
• What should a vessel do when nearing a bend in a narrow channel?
• What type of signals are covered in Part D of the COLREGs?
• What does Rule 5 of COLREGs require vessels to do?
• What is the most effective action to avoid a close-quarters situation?
• When two sailing vessels approach one another, which vessel is required to keep out of the way?
• How must a vessel determine the risk of collision?
• What should vessels on a collision course do to ensure safety?
• Under Rule 29, how should vessels respond in crossing situations to minimize collision risks?
• Which rule applies in situations of overtaking?
• What does Rule 26 govern about the actions taken by a vessel when at anchor?
• What should vessels do if they see another vessel displaying distress signals?
• Under what condition can a vessel cross a narrow channel or fairway?
• Which vessels are required to follow COLREGs?
• Under what condition does Rule 19a apply?
• What should a vessel do if there is any doubt about potential risk of collision?
• According to the rules, what should a vessel do if there is any uncertainty about the navigation situation?
• To avoid a collision, what should be ensured regarding the passed distance from another vessel?
• Which rule addresses the need for ships to comply with statutory regulations?
• During what activities must WIG crafts comply with the Rules of this Part as a power-driven vessel?
• What kinds of vessels are included under the definition of "vessel restricted in her ability to maneuver"?
• Which part of the COLREGs does NOT cover any rules about conduct?
• Why is it essential to maintain a proper look-out as stipulated in Rule 5?
• What do Rule 1 and Rule 2 of COLREGs address?
• What is the definition of a crossing situation in maritime context?
• What does the term "look-out" refer to in the context of COLREGs?
• What is the general guideline for anchoring in a narrow channel?
• How should a vessel determine its windward side?
• What should be the outcome of any action taken to avoid collision?
• What is a requirement for all vessels when navigating in restricted visibility according to Rule 19b?
• Which equipment is essential for early warning of risk of collision?
• What does Rule 17 entail regarding the actions of vessels?
• Which vessels are allowed to use an inshore traffic zone without restrictions?
• What is the primary consideration when determining safe speed?
• What restriction applies to vessels less than 20m in length when navigating a narrow channel?
• Which of the following vessels is required to display specific lights according to Rule 21?
• What does Rule 11 describe?
• How often should the COLREGs be reviewed by seafarers?
• Which action is advised to avoid a developing risk of collision?
• Which rule defines the responsibility to avoid collisions?
• What does Rule 36 require concerning signaling?
• In overtaking situations, which vessel is the stand-on vessel?
• What must every vessel do in conditions of restricted visibility according to Rule 19c?
• Under which rule must vessels display day shapes to indicate their operational status?
• What must every vessel maintain to avoid collisions?
• If it is determined that no risk of collision exists, what action is a vessel not required to take?
• What do the rules of the COLREGs help vessels achieve at sea?
• What actions are required by ships operating in a narrow channel according to Rule 9?
• Which section of the COLREGs covers the rules for 'Conduct of Vessels in Sight of One Another'?
• What factors should be considered for determining a safe speed according to COLREGs?
• When is a vessel permitted to enter a separation zone?
• What is the best course of action if two vessels are on a collision course?
• Which rule emphasizes the need for vessels to be lit when at night?
• What is the primary objective of Rule 10?
• What is the requirement for vessels navigating in small craft areas as recommended by Rule 9?
• What action is NOT permitted to alleviate the duty of keeping clear for the overtaking vessel?
• How does Rule 22 define "vessel"?
• What defines a head-on situation between two vessels?
• How many sections are there in Part B of the COLREGs?
• When must a vessel reduce her speed according to Rule 19e?
• What does COLREGs stand for?
• Which vessels must adhere to the rules in the section that apply to vessels in sight of one another?
• What is a "vessel in sight"?
• Under Rule 18, which type of vessel must take priority in meeting situations?
• What action is a vessel required to undertake when approaching another vessel on a collision course?
• Which rule governs the conduct of vessels in restricted visibility?
• Which factor is NOT considered when determining safe speed for a vessel?
• According to Rule 17c, what should a power-driven vessel not do to avoid collision with another power-driven vessel?
• How should a vessel engaged in fishing behave near a traffic lane?
• What is the duty of a vessel under Rule 20 regarding engine operation?
• Under COLREGs, what action should a vessel take if visibility is compromised?
• What is recommended when altering course to avoid a vessel forward of the beam?
• If a vessel is unsure whether it is overtaking another, what should it do?
• When in doubt about a head-on situation, what should a vessel do?
• What is the definition of a "seaplane" according to the rules?
• What is the requirement of Rule 38 regarding vessels engaged in fishing?
• What is the primary purpose of COLREGs?
• What action should a vessel take if it needs to enter a separation zone?
• What is a consequence for a vessel constrained by her draught according to Rule 18d?
• When does a sailing vessel have the right of way over a power-driven vessel?
• What is the significance of Rule 27?
• What is generally expected of a vessel joining or leaving a traffic lane?
• What is the obligation of the give-way vessel as described in Rule 17d?
• What does Rule 10a pertain to?
• What is the main purpose of Rule 6?
• What is one of the key components of safe navigation according to COLREGs?
• What is the primary obligation of a vessel that is overtaking another vessel?
• What does Rule 32 mandate regarding vessels engaged in fishing?
• When crossing lanes in a TSS, how should a vessel orient itself?