ELI5: Explain Like I'm 5

ICAO airport code

Okay kiddo, when you go on an airplane, the plane needs to know where it's going, and the people who work at the airport need to know which airplane is going to which place. To help with this, they use something called an ICAO airport code.

Think of it like a nickname for the airport. Just like how your friends call you by your nickname instead of your full name, the airport has a nickname in the form of a code.

The ICAO airport code is made up of four letters, and each airport around the world has its own unique code. For example, the code for the airport in New York City is JFK, and the code for the airport in London is LHR.

Now, let's break down how they come up with these codes. The first letter in the code represents the region where the airport is located. For example, airports in North America start with the letter 'K'. The second letter represents the country where the airport is located. So all airports in the United States start with 'K' followed by a letter that represents the region.

The last two letters are usually assigned based on the airport's name or the city it serves. These letters help with identifying the specific airport in a region or country, especially if there are multiple airports in the same area.

So, there you have it, little one! An ICAO airport code is a nickname for an airport that helps the airplane know where it's going and also helps the people at the airport know which plane is going where. It's kind of like a special secret code just for airports!
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