I have a diver down.

I am carrying dangerous cargo.

Means ‘yes’.

Keep clear of me; I am maneuvering with difficulty.

I intend to turn to starboard.

I’m disabled; please communicate with me.

I need a pilot.

I have a pilot on board.

I am altering my course to port. (I am turning left.)

I am on fire and have dangerous cargo on board: Keep well clear of me.

I wish to communicate with you.

You should stop your vessel instantly.

My vessel is stopped and making no way through the water.

Means “No.”

Man Overboard

I have not completed customs and immigration. Old School: My vessel is healthy and I request free pratique.

I have received your signal.

I am operating stern propulsion.

Navy: Do not pass in front of me. International: Keep clear of me; I am engaged in pair trawling.

You are running into danger.

I require assistance, but not in distress.

I require medical assistance.

Stop carrying out your intentions and watch for my signals.

I am dragging my anchor.

I require a tug I am shooting nets