nautical flags

I have a diver down; keep well clear at slow speed.

Alfa

I am taking in, discharging, or carrying dangerous cargo.

Bravo

"Yes" or "affirmative".

Charlie

I am maneuvering with difficulty; keep clear.

Delta

I am directing my course to starboard.

Echo

I am disabled; communicate with me.

On aircraft carriers: Flight Operations underway

Foxtrot

I require a pilot.

Golf

I have a pilot on board

Hotel

Coming alongside/I am directing my course to port.

India

I am on fire and have dangerous cargo; keep clear.

Juliet

I wish to communicate with you.

Kilo

You should stop your vessel immediately.

Lima

My vessel is stopped; making no way.

Mike

No or Negative.

November

Man overboard.

Oscar

All personnel return to ship; proceeding to sea (Inport)

Papa

Boat recall; all boats return to ship./Ship meets health regs; request clearance into port.

Quebec

Preparing to replenish (At sea). Ready duty ship (Inport)

Romeo

Conducting flag hoist drill./Moving astern.

Sierra

Do not pass ahead of me./Keep clear; engaged in trawling.

Tango

You are running into danger.

Uniform

I require assistance.

Victor

I require medical assistaqnce.

Whiskey

Stop carrying out your intentions and watch for my signals.

Xray

Ship has visual communications duty/I am dragging anchor.

Yankee

I require a tug.

Zulu

Flag that follows is from the international Code of Signals/Message is understood.

Code/Answer

Absence of flag officer or unit commander (Inport).

First Substitute

Absence of chief of staff (Inport).

Second Substitute

Absence of commanding officer (Inport).

Third Substitute

Absence of civil or military official whose flag is flying on this ship.

Fourth Substitute