Signalling & Communication
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TermDefinition
- Flag / Pennant, Signals & Communication Code Flag Romeo (R)
The International Maritime Signal Flag Romeo.
Meaning
Distance (range) in nautical miles. Given using Numeral Pennants.
- Flag Semaphore Ready (Flag Semaphore)
The Ready (Flag Semaphore) signal shows the sender is ready to send a message. The same shape is also used for Space (Flag Semaphore) & Rest...
More Details - Flag Semaphore Ready to Recieve (Flag Semaphore)
The Ready to Recieve signal shows the sender that the recipient is ready to receive a message. This shape is displayed once the sender has...
More Details - Flag Semaphore Rest (Flag Semaphore)
When the sender is not actively sending messages, both flags are held by their side. The same shape is also used for Space (Flag Semaphore) &...
More Details - Flag Semaphore, Signals & Communication Letter R (Flag Semaphore)
Flag semaphore indicating the letter R.
- Morse Code, Signals & Communication Letter R (Morse Code)
International Morse Code sequence representing the letter R.
- Phonetic Alphabet, Signals & Communication Romeo
Pronounced: ROW-me-oh
The term for the letter R in the NATO Phonetic Alphabet.
- Flag / Pennant, Signals & Communication Code Flag Sierra (S)
The International Maritime Signal Flag Sierra.
Meaning
I am operating astern propulsion.
More Details
If appended with a Numeral Pennant, Speed... - Flag / Pennant, Signals & Communication Second Substitute (ICS Flag)
Substitute or repeater flags allow messages with duplicate characters to be signalled without requiring multiple sets of flags.
- General Nautical Terminology, Signals & Communication Sécurité
Sécurité is a term used in maritime communication to indicate a safety message or alert being broadcast over the radio to all vessels in the...
More Details - Flag Semaphore, Morse Code, Signals & Communication Semaphore
A semaphore is a system of sending messages using visual signals, typically with flags or lights. It is commonly used in marine communications to...
More Details - Phonetic Alphabet, Signals & Communication Sierra
Pronounced: see-AIR-rah
The term for the letter S in the NATO Phonetic Alphabet.
- Flag Semaphore, Signals & Communication Letter S (Flag Semaphore)
Flag semaphore indicating the letter S.
- Morse Code, Signals & Communication Letter S (Morse Code)
International Morse Code sequence representing the letter S.
- General Nautical Terminology, Morse Code, Signals & Communication SOS
The universally recognised distress signal used in maritime communication to indicate an emergency requiring immediate assistance.
The German...
More Details - Flag Semaphore Space (Flag Semaphore)
This shape indicates a space, usually between words. The same shape is also used for Rest (Flag Semaphore) & Ready (Flag Semaphore).
More Details - Phonetic Alphabet, Signals & Communication Tango
Pronounced: TANG-go
The term for the letter T in the NATO Phonetic Alphabet.
- Flag / Pennant, Signals & Communication Code Flag Tango (T)
The International Maritime Signal Flag Tango.
Meaning
Keep clear of me.
More Details
Fishing boats: Keep clear of me; I am engaged in pair... - Flag / Pennant, Signals & Communication Third Substitute (ICS Flag)
Substitute or repeater flags allow messages with duplicate characters to be signalled without requiring multiple sets of flags.
- Flag Semaphore, Signals & Communication Letter T (Flag Semaphore)
Flag semaphore indicating the letter T.