Yes in Morse Code — Pattern, Sound & the SOS Connection
Yes in Morse code is -.-- . ... — three letters that sound almost nothing alike, which is exactly what makes the word so easy to recognize. Try it below.
Yes in Morse Code — Try It
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YES
Three Letters, Three Totally Different Rhythms
Most short Morse words repeat a similar shape from letter to letter. "Yes" doesn't — each of its three letters has a completely distinct feel, which is why beginners tend to pick it up faster than expected.
Y — long & mixed
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dah-dit-dah-dah
E — one beat
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dit
S — fast triple
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dit-dit-dit
Quick Reference: Yes and No
| Yes | -.-- . ... |
| No | -. --- |
Together these two words cover most of the quick confirmations Morse gets used for — a full breakdown of the negative reply and the words it's easy to confuse it with is on the No in Morse code page.
Why the Ending of "Yes" Sounds Familiar
The last letter of "yes" — three quick dots — isn't unique to this word. It's the exact same S that opens and closes SOS, the internationally recognized distress signal. That's not a coincidence: three dots is one of the simplest, fastest patterns in the entire alphabet, which is exactly why Morse's designers leaned on it for both an everyday confirmation and the world's most urgent message.
Once "yes" feels automatic, that shared S makes SOS in Morse code a much smaller leap — you already know exactly how its final three dots should sound and feel.
Where a Fast "Yes" Gets Used
Aviation and maritime radio
Standardized worldwide, a Morse "yes" can confirm a route or instruction between operators who don't share a spoken language.
Amateur radio check-ins
Operators often reply with short confirmation words rather than full sentences, keeping exchanges quick and clear.
Training and drills
Because its three letters are so distinct, "yes" is a common word instructors use to test whether a learner can tell different rhythms apart.
Puzzles and games
Escape rooms and Morse-themed puzzles frequently use "yes" and "no" as the two simplest possible answers to a coded question.
Frequently Asked Questions
What is Yes in Morse code?
-.-- . ... — Y, E, and S, each with a distinctly different rhythm.
Why is Yes considered easy to learn?
Its three letters sound almost nothing alike, so the word stands out clearly against other short patterns.
Is there a real signal for '2 yes' or doubled agreement?
No — sending it twice is just an informal way of adding emphasis, not an official Morse convention.
Does the S in Yes connect to SOS?
Yes — S is three dots in both words, the same fast, simple pattern used for the global distress signal.
Can Yes be sent without sound?
Yes — the same pattern works as light flashes, taps, or blinks.