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The sound signals that it is a sailing vessel underway when you hear one prolonged blast plus two short blasts every two minutes.
Rules of the Road. Rule 35, Sound Signals in Restricted Visibility. (C) A vessel not under command, a vessel restricted in her ability to maneuver, a vessel constrained by her draft, a sailing vessel, a vessel engaged in fishing, and a vessel engaged in towing or pushing another vessel SHALL, sound at intervals of not more than two minutes three blast in succession, namely one prolonged followed by two short blast.
one prolonged blast
Foggy conditions....a case of restricted visibility... according to International Regulations for Preventing Collision at Sea Rule 35... "A Power driven vessel making way through the water shall sound at intervals of not more than 2 minutes one prolonged blast." So hearing a prolonged blast every 2 mins in restricted visibility we can deduce that its a power driven vessel making way through water.
The sound signals that it is a sailing vessel underway when you hear one prolonged blast plus two short blasts every two minutes.
When visibility is very limited, such as in heavy fog, boaters must give an audible signal to others in the area. For a sailboat the signal is one prolonged blast plus two short blasts every two minutes.
One prolonged blast should be sounded every two minutes.
One prolonged blast should be sounded every two minutes.
one prolonged blast
one prolonged blast
one prolonged blast every 2 minutes
One prolonged blast should be sounded every two minutes.