Signalling & Communication
-
TermDefinition
- Flag / Pennant, Signals & Communication Code Flag Oscar (O)

The International Maritime Signal Flag Oscar.
Meaning
Man overboard. (Often attached to the Danbuoy pole on boats.)
The semaphore flag. - Flag Semaphore, Signals & Communication Letter O (Flag Semaphore)

Flag semaphore indicating the letter O.
- Morse Code, Signals & Communication Letter O (Morse Code)
International Morse Code sequence representing the letter O.
- Phonetic Alphabet, Signals & Communication Oscar
Pronounced: OSS-cah
The term for the letter O in the NATO Phonetic Alphabet.

