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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.
Two short blast shows the intention to direct the course of their vessel to their own port (left).
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.
It is called a short salute and is how ships greet each other.
it is the same right
5 short blasts is a signal warning of imminent danger (or disagreement).
you better get off that ship!!Two short blasts means that the vessel intends to leave you on it's starboard side. If you are in international waters it means " I am altering my course to port"
on short blast
Sailboat
three short blast
1 blast means, I am turning to starboard (right) 2 blasts means, I am turning to port (left) 3 blasts means, I am going astern (backwards) 5 blasts means, I don't know what you are doing, get out of my way.....and usually accompanied by colourful language and waving of arms etc. Often heard around the commercial jetty when recreational boats get in the way of large commercial ferries etc...
1 short blast to pass on YOUR port side.