it is the same right
you are altering your course to starboard
three short blast
I intend to pass you on my starboard (right) side.
They are indicating dangerous
Means it's about to turn to port.
Passing on your starboard (right) side.
1 short blast to pass on YOUR port side.
A boat is astern propulsion and is in the act of backing up
Three short blasts tell other boaters, “I am operating astern propulsion.” For some vessels, this tells other boaters, “I am backing up.”
A warning to other boaters there is danger near by.
I intend to pass you on the starboard(right) side