Collision Avoidance and Regulations Flashcards
6 cards from real SVOP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Collision Avoidance and Regulations flashcards as text
Rule 10 of the Collision Regulations addresses Traffic Separation Schemes (TSS). What must a vessel joining the traffic lane do?
Answer: Join or leave at the terminal ends, or enter at as small an angle as practicable to the general direction of traffic flow
Rule 10(c) states vessels shall join or leave traffic lanes at the terminal ends, or when joining from the side, enter at as small an angle as practicable to the general traffic flow direction, minimising crossing time and disruption.
What does 'not under command' mean according to the Collision Regulations?
Answer: A vessel unable to manoeuvre due to exceptional circumstances, unable to keep out of the way of other vessels
Rule 3(f) defines 'not under command' as a vessel which, through some exceptional circumstance, is unable to manoeuvre as required by the COLREGS and is therefore unable to keep out of the way of other vessels.
What is the 'safe speed' concept under Rule 6 of the Collision Regulations?
Answer: A speed at which proper and effective action can be taken to avoid collision and stop within an appropriate distance given prevailing conditions
Rule 6 requires every vessel to proceed at a safe speed at all times, considering visibility, traffic density, manoeuvrability, radar use, and proximity to hazards. Safe speed is condition-dependent, not a fixed number.
What lights does a power-driven vessel underway of less than 50 metres in length display?
Answer: Masthead light, sidelights (red/green), and a sternlight
A power-driven vessel underway under 50 m shows one masthead (steaming) light forward, red sidelight to port, green sidelight to starboard, and white sternlight aft. Vessels under 12 m may substitute an all-round white light for the masthead and stern lights.
What is the 'crossing situation' and which vessel gives way?
Answer: When two power-driven vessels meet on crossing courses, the vessel which has the other on her starboard side gives way
Rule 15 governs crossing situations: when two power-driven vessels are crossing so as to involve risk of collision, the vessel which has the other on her starboard side shall keep out of the way, treating the other as the stand-on vessel.
When may an overtaking vessel hold its course and pass the vessel ahead?
Answer: Once the vessels are past and clear of each other, even if the overtaken vessel has altered course
Rule 13 states that the overtaking vessel must keep out of the way of the overtaken vessel until finally past and clear. The overtaking classification persists even if course changes mean the encounter later resembles a crossing situation.