How are semaphore flags different from nautical flags?

They are completely different systems.

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  1. They are the same system
  2. They are completely different systems ✔
  3. Nautical flags are only for sports

Why: Both use flags, but semaphore and nautical flags are separate communication systems.

Huh, didn't know that: Both use flags, but semaphore and nautical flags are separate communication systems.

The dad joke
Same cloth, different talk.
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References

Answer: They are completely different systems. Both use flags, but semaphore and nautical flags are separate communication systems.

  1. Scouting America: Signs, Signals, and Codes www.scouting.org/merit-badges/signs-signals-and-codes
    Wigwag and semaphore both use flags but are completely different systems of communication.
    Checked 2026-11-07.

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