Signalling & Communication
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TermDefinition
- Flag Semaphore, Number, Signals & Communication Number 4 (Flag Semaphore)

Flag semaphore indicating the Number 4. This shape represents both the Number 4 (Flag Semaphore) and the Letter D (Flag Semaphore).
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More Details - Flag Semaphore, Number, Signals & Communication Number 5 (Flag Semaphore)

Flag semaphore indicating the Number 5. This shape represents both the Number 5 (Flag Semaphore) and the Letter E (Flag Semaphore).
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More Details - Flag Semaphore, Number, Signals & Communication Number 6 (Flag Semaphore)

Flag semaphore indicating the Number 6. This shape represents both the Number 6 (Flag Semaphore) and the Letter F (Flag Semaphore).
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More Details - Flag Semaphore, Number, Signals & Communication Number 7 (Flag Semaphore)

Flag semaphore indicating the Number 7. This shape represents both the Number 7 (Flag Semaphore) and the Letter G (Flag Semaphore).
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More Details - Flag Semaphore, Number, Signals & Communication Number 8 (Flag Semaphore)

Flag semaphore indicating the Number 8. This shape represents both the Number 8 (Flag Semaphore) and the Letter H (Flag Semaphore).
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More Details - Flag Semaphore, Number, Signals & Communication Number 9 (Flag Semaphore)

Flag semaphore indicating the Number 9. This shape represents both the Number 9 (Flag Semaphore) and the Letter I (Flag Semaphore).
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More Details - Flag / Pennant, Signals & Communication Numeral 0 (Flag Pennant)

The flag represents the numerical value of zero.
- Flag / Pennant, Signals & Communication Numeral 4 (Flag Pennant)

The flag represents the numerical value of four.
- Flag / Pennant, Signals & Communication Numeral 5 (Flag Pennant)

The flag represents the numerical value of five.
- Flag / Pennant, Signals & Communication Numeral 6 (Flag Pennant)

The flag represents the numerical value of six.
- Flag / Pennant, Signals & Communication Numeral 7 (Flag Pennant)

The flag represents the numerical value of seven.
- Flag / Pennant, Signals & Communication Numeral 8 (Flag Pennant)

The flag represents the numerical value of eight.
- Flag / Pennant, Signals & Communication Numeral 9 (Flag Pennant)

The flag represents the numerical value of nine.
- Flag / Pennant, General Nautical Terminology, Signals & Communication Numeral Pennant
A triangular flag used in maritime signalling to represent numerical digits, typically in conjunction with other signal flags.
A numeral...
More Details - Flag Semaphore, Signals & Communication Numerals-Numbers Follow (Flag Semaphore)

This flag semaphore signal indicates a change from letters to numbers (Numbers Follow), indicating that the signaller will be using the...
More Details - 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.
- General Nautical Terminology, Safety, Signals & Communication Pan Pan
An internationally recognised maritime urgency signal used in radio communications to indicate a situation that is urgent but does not pose an...
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