Question 818 Rules of the Road
90% to passBOTH INTERNATIONAL & INLAND Which statement is TRUE of a 30-meter sailing vessel underway?
A
She need not show a stern light if she is showing all-round lights on the mast.
B
If she is using propelling machinery, she shall show forward a shape consisting of two cones, apexes together.
C
She may show an all-round white light at the top of the mast.
D
She must show sidelights and a stern light in restricted visibility.
AI Explanation
The correct answer is D) She must show sidelights and a stern light in restricted visibility. This is correct because the International Regulations for Preventing Collisions at Sea (COLREGS) require a sailing vessel underway, regardless of size, to exhibit sidelights and a stern light in restricted visibility. This is true both for international and inland waters. The other answer choices do not accurately reflect the COLREGS requirements for a 30-meter sailing vessel underway.
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