The system of international maritime signal flags is a way of representing individual letters of the alphabet in signals to or from ships. It is a component of the International Code of Signals (INTERCO) along with blinker light, flag semaphore, Morse code, and radio signals.
Letter flags[]
Alpha
Bravo
Charlie
Delta
Echo
Foxtrot
Golf
Hotel
India
Juliet
Kilo
Lima
Mike
November
Oscar
Papa
Quebec
Romeo
Sierra
Tango
Uniform
Victor
Whiskey
X-ray
Yankee
Zulu
Number pennants[]
0: Nadazero
1: Unaone
2: Bissotwo
3: Terrathree
4: Kartefour
5: Pantafive
6: Soxisix
7: Setteseven
8: Oktoeight
9: Novenine