Ship Driver Rules of the Road (COLREGS)

Question 1

According to COLREGS, which vessel is the 'stand-on' vessel in a crossing situation?

Accepted Answer

The vessel with the other on its starboard side

Answer

In a crossing situation, the vessel that has the other on its starboard side is the stand-on vessel and must maintain course and speed.

Question 2

What action must a give-way vessel take in a crossing situation?

Accepted Answer

Take early and substantial action to keep well clear

Answer

The give-way vessel must take early, large, and obvious action to avoid the stand-on vessel, preferably altering course to pass astern.

Question 3

What does one short blast on a vessel's whistle mean in inland waters?

Accepted Answer

I am altering course to starboard

Answer

In US Inland Rules, one short blast is a maneuvering signal meaning 'I intend to leave you on my port side' (turning right/starboard).

Question 4

Which vessel has right-of-way over a power-driven vessel underway?

Accepted Answer

Both A and B

Answer

Both vessels restricted in ability to maneuver and vessels engaged in fishing with gear out have priority over ordinary power-driven vessels under COLREGS Rule 18.

Question 5

What light configuration indicates a power-driven vessel underway less than 50 meters in length?

Accepted Answer

Masthead light forward, sternlight aft, sidelights

Answer

A power-driven vessel under 50m must show one forward masthead light, a sternlight, and red/green sidelights per COLREGS Rule 23.

Ship Driver Practice Test

Ship Driver Practice Test

Ship Driver Rules of the Road (COLREGS)