What is the sound signal for a power-driven vessel with restricted visibility that is underway, making way?

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Multiple Choice

What is the sound signal for a power-driven vessel with restricted visibility that is underway, making way?

Explanation:
In restricted visibility, ships use distinct fog signals to tell others what they’re doing. For a power-driven vessel that is underway and making way, the signal is a single prolonged blast. This communicates that you’re moving and expect others to keep clear. If you weren’t making way, you’d use two prolonged blasts instead, signaling a different status. The other signal patterns don’t match the underway-and-making-way situation, so they’re not correct here. Remember to repeat the signal at intervals not more than two minutes.

In restricted visibility, ships use distinct fog signals to tell others what they’re doing. For a power-driven vessel that is underway and making way, the signal is a single prolonged blast. This communicates that you’re moving and expect others to keep clear. If you weren’t making way, you’d use two prolonged blasts instead, signaling a different status. The other signal patterns don’t match the underway-and-making-way situation, so they’re not correct here. Remember to repeat the signal at intervals not more than two minutes.

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