Signalling & Communication
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TermDefinition
- Phonetic Alphabet, Signals & Communication Echo
Pronounced: ECK-oh
The term for the letter E in the NATO Phonetic Alphabet.
- Flag / Pennant, Signals & Communication Code Flag Echo (E)

The International Maritime Signal Flag Echo.
Meaning
- Flag Semaphore, Signals & Communication Letter E (Flag Semaphore)

This shape represents the Letter E (Flag Semaphore) and the Number 5 (Flag Semaphore).
- Morse Code, Signals & Communication Letter E (Morse Code)
International Morse Code sequence representing the letter E.
- Flag Semaphore, Signals & Communication Error (Flag Semaphore)

Waving both flags up and down indicates an error in the communication.
- Flag Semaphore, Signals & Communication Error (Flag Semaphore)


Repeated eight times, Letter E (Flag Signal) indicates an error.

