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

All persons should report on board – or Preceding to sea – or My nets have come fast upon an obstruction.

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.