Rules of the Road & Maritime Regulations Flashcards
7 cards from real AB practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Rules of the Road & Maritime Regulations flashcards as text
Under the Inland Rules, the signal for a vessel in a bend wishing to indicate she is leaving a dock or berth on her port side is:
Answer: Two short blasts
Under Inland Rule 34(g), a vessel leaving a dock or berth to port sounds two short blasts as a warning signal.
The 'danger signal' under COLREGS is sounded when a vessel is in doubt about another's intentions. What does it consist of?
Answer: Five or more short and rapid blasts
Rule 34(d) prescribes five or more short and rapid blasts on the whistle as the danger signal indicating doubt about another vessel's intentions.
A sailing vessel underway at night, if less than 20 meters, may show what simplified light in lieu of sidelights and sternlight?
Answer: A tricolor lantern at the masthead
Rule 25(b) permits a sailing vessel under 20 meters to combine sidelights and sternlight in a tricolor lantern at or near the top of the mast.
Which of the following vessels must give way to a vessel engaged in fishing?
Answer: A power-driven vessel underway
Rule 18 places a power-driven vessel underway below fishing, NUC, and RAM vessels in the give-way hierarchy, so it must keep clear of a fishing vessel.
What is the purpose of a Traffic Separation Scheme (TSS)?
Answer: To organize opposing traffic flows and reduce collision risk
A TSS separates opposing streams of vessel traffic using separation zones or lines to reduce the risk of head-on collisions in busy waterways.
A vessel conducting mine clearance operations shows which additional visual signal?
Answer: Three black balls — one at the foremast and one at each end of the foreyard
Rule 27(f) requires a vessel engaged in mineclearance to show three black balls: one at the foremast head and one at each end of the foreyard.
Under COLREGS Rule 18, which category of vessel has the highest priority in the give-way hierarchy?
Answer: Vessel not under command
A vessel not under command (NUC) ranks at the top of the give-way hierarchy and all other vessels must keep clear of her.