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A vessel constrained by her draught displays which day shape?

Q: A vessel constrained by her draught displays which day shape?

A cylinder Rule 28: a vessel constrained by her draught displays a cylinder (day) and at night three all-round red lights in a vertical line. She has limited ability to deviate from her course — other vessels should give her sea room.

A. A cone point downward

B. A diamond shape

C. A cylinder

D. Two balls in a vertical line

A power-driven vessel underway at night shows which combination of lights?

A. Anchor light plus sidelights

B. All-round white light and sidelights only

C. Sidelights and two masthead lights, no stern light required

D. Masthead (steaming) light forward, second masthead light aft (if over 50m), sidelights (red/green), and stern light (white)

A vessel not under command (NUC) at night shows which lights?

A. One all-round red light and masthead light

B. Two all-round red lights in a vertical line, plus sidelights and stern light if making way

C. Three all-round red lights and anchor light

D. Flashing yellow light every 2 seconds

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