Police Radio Alphabet: Learn Alfa to Zulu with Radio Code
"Kilo Tango Four Seven Romeo." If you have ever heard a police radio in a film, you have heard the spelling alphabet in action. It is one of the most useful little systems in the world: 26 code words that make letters impossible to mishear. This guide explains why the alphabet exists, gives you an easy way to learn it, and shows how to use it to win every level of Radio Code, our free game built around it.
Why police spell with code words
Say the letters B, D, E, G, P, T and V out loud. They all end with the same "ee" sound. On a clear phone line you can usually tell them apart, but on a radio with wind, sirens and static in the background, a single letter is easy to lose. M and N, F and S, and A and J cause the same trouble.
The solution is to replace each letter with a whole word that sounds nothing like the others. Bravo and Delta cannot be confused, even when half the sound is missing. Officers use the alphabet for number plates, names, addresses and reference numbers, anywhere a single wrong letter could send a patrol car to the wrong place.
The international spelling alphabet
The alphabet used in Radio Code is the international one, adopted by aviation in the 1950s and now used by pilots, ships, armies, emergency services and many police forces:
Alfa, Bravo, Charlie, Delta, Echo, Foxtrot, Golf, Hotel, India, Juliett, Kilo, Lima, Mike, November, Oscar, Papa, Quebec, Romeo, Sierra, Tango, Uniform, Victor, Whiskey, X-ray, Yankee, Zulu.
Two spellings look odd at first: Alfa and Juliett. They are written that way on purpose, so that people who read them in other languages still say them the right way. Digits are simply read as words: Zero, One, Two and so on. (Pilots often say "Niner" for nine, but Radio Code uses plain numbers.)
Older alphabets and why they trip people up
Before the international alphabet, many different lists were in use. During the Second World War, British and American forces used words like Able, Baker, Charlie, Dog, Easy. Some police departments in the United States still use their own traditional list, starting Adam, Boy, Charles, David, Edward.
These words are not wrong in their own setting, but they are not part of the international alphabet. Radio Code uses them as traps. In the "say it right" levels, a wrong answer might spell a plate with Baker instead of Bravo or Sugar instead of Sierra. It starts with the right letter, so it feels correct at a glance. From level 5 onward, reading only the first letter of each word is not enough.
A simple way to learn all 26 words
Most people already know a handful of the words before they start: Alfa, Bravo, Charlie, Delta, Echo from films, and everyday words like Hotel, Golf and Tango. Build on that.
- Sort the words into groups you can picture. Places: Lima, Quebec, India. Names: Charlie, Juliett, Mike, Oscar, Romeo, Victor. Dances and sports: Foxtrot, Tango, Golf. Everyday things: Hotel, Uniform, X-ray, Whiskey.
- Spell things around you. Spell car plates, your own name or the name of your street in your head. Two minutes a day is plenty.
- Learn the tricky ones on purpose. The letters people forget most often are K, Q, U and Y. Kilo, Quebec, Uniform and Yankee are worth a few extra repetitions.
- Play in short bursts. A level of Radio Code takes about a minute. Replaying the first few levels is a quick, low-pressure way to practise.
How Radio Code works
Each of the 12 levels has 8 radio calls. There are two kinds:
- Find the car. The radio display spells a plate, such as Yankee Romeo Four Three Six Golf. Below it are three to six parked cars. Tap the car with plate YR 436 G.
- Say it right. A stopped car shows its plate, and you choose which of three or four radio calls spells it correctly.
A wrong answer, or running out of time, counts as a mistake. No mistakes gives three stars; three mistakes end the level. Answering quickly earns bonus points, and a streak of correct answers earns a little more.
Tips for the hard levels
When the message disappears
From level 6, the call vanishes after a few seconds, down to just two seconds on the last level. Don't try to remember six separate words. Turn them back into letters straight away and remember the plate in its groups: "YR, four-three-six, G". Saying it quietly to yourself helps a lot.
When the plates are nearly identical
The wrong cars are never random. Each one differs from the right plate in one small way: a similar letter (B and D, M and N, U and Y), a changed digit, or two digits swapped. Check the letters first, then read the digits in order. Swapped digits, like 436 and 463, are the most common trap.
When every answer looks right
In "say it right" calls, go through the answers word by word and ask two questions: is this the right letter or digit, and is this the official word for it? Gulf is not Golf, Fox is not Foxtrot, and King is not Kilo.
Where the alphabet is useful outside the game
The spelling alphabet is not only for police. It helps whenever you spell something over the phone: a booking reference, an email address, a postcode or a car registration. "My code is K-Q-7" can easily be heard wrong; "Kilo Quebec Seven" almost never is. Children who learn it through play often end up teaching it to the rest of the family.
If you enjoy quick games that train your attention, try CCTV Spotter as well, and read why short browser games are so much fun. Then come back to Radio Code and see how far you get without looking at the table. Over and out.