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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.
The sound signals that it is a sailing vessel underway when you hear one prolonged blast plus two short blasts every two minutes.
Runaway ship
passing on port side
Three short blasts means you are operating in reverse. One prolonged blast followed by 3 short blasts means boat under tow in redcued visibility conditions.
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.
A. Three prolonged blast of the ships whistle or general alarm at an interval of three means a man overboard. This is dismissed by three short whistle blast.B. Three Short blast can also be Rule 34 "Maneuvering and Warning Signals."Three short blast means "I am operating astern propulsion."
Passing on your right side.Signals are (number of blasts):1. Passing you on your left (port) side2. Passing you on your right (starboard) side3. I am moving backwards (astern)4. Danger, don't do that (answer to the other three if dangerous)One short blast means 'I am changing course to starboard.'Two short blasts mean 'I am changing course to port.'Three short blasts mean 'I am operating astern.'Two prolonged blasts followed by one short blast to mean 'I intend to overtake you on your starboard side';Two prolonged blasts followed by two short blasts to mean 'I intend to over-take you on your port side.'A long blast every two minutes is used when operating in fog.
The Vessel is turning to Starboard .
Rules of the Road Rule 35 Sound Signals in Restricted Visibility/International (a) A power driven vessel making way through the water shall sound at intervals of not more than 2 minutes one prolonged blast.
Two short horn blast from a vessel means that she is turning port and one short horn blast that she is turning starboard
One prolonged blast means a sound signal of between 4 and 6 seconds. By itself it to notify other users of the presence of a vessel that is manoeuvring. Leaving a dock or if obscured by something for instance.