A single towing light will be required by the Rules to be carried above a vessel's sternlight

A single towing light will be required by the Rules to be carried above a vessel's sternlight

• A. Only if she is towing astern
• B. Always
• C. Never
• D. If the tow is over 500 meters

Answer: (A)

The light in question is the towing light, which signals that a vessel is towing another vessel or object. It is used to warn other mariners and is placed above the stern light. This signaling is required specifically when the tow is behind the vessel (towing astern). If you’re not towing astern, the towing light isn’t required. That’s why the correct statement is that the towing light is required only if the vessel is towing astern. The other options don’t fit because the rule isn’t a blanket requirement (not always), there’s no distance-based trigger (500 meters), and it isn’t applicable in a non-towing situation.

The light in question is the towing light, which signals that a vessel is towing another vessel or object. It is used to warn other mariners and is placed above the stern light. This signaling is required specifically when the tow is behind the vessel (towing astern). If you’re not towing astern, the towing light isn’t required. That’s why the correct statement is that the towing light is required only if the vessel is towing astern. The other options don’t fit because the rule isn’t a blanket requirement (not always), there’s no distance-based trigger (500 meters), and it isn’t applicable in a non-towing situation.