What is the Y in airport names?

When IATA formed and began requiring airports worldwide to extend their codes to three-letters (as two-letter codes were becoming scarce) during the 1940s, most of Canada's airports had already adopted the Y for “yes” prefix due to their weather reporting and radio stations located on site.



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It is also thought that the reason the letter Y is used for all (or most) Canadian airports, is that the letter “Y” indicated there was a weather reporting station at the airport or close by. Y = yes for weather.

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Rather than trying to pronounce and communicate a difficult foreign airport name, a four-letter code can be transmitted instead. For example, if a pilot is flying to Moscow's Sheremetyevo Alexander S. Pushkin International Airport, and needs to communicate it, then they can use the airport's ICAO code: UUEE.

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An IATA airport code, also known as an IATA location identifier, IATA station code, or simply a location identifier, is a three-letter geocode designating many airports and metropolitan areas around the world, defined by the International Air Transport Association (IATA).

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The X in LAX
With the rapid growth in the aviation industry, in 1947, the identifiers expanded to three letters and LA received an extra letter to become LAX. The letter X does not otherwise have any specific meaning in this identifier.

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Alpha, Bravo, Charli, Delta, Echo, Foxtrot, Golf, Hotel, India, Juliett, Kilo, Lima, Mike, November, Oscar, PaPa, Quebec, Romeo, Sierra, Tango, Uniform, Victor, Whiskey, X-ray, Yankee, Zulu. Pilots pronounce numbers similar to regular English, with a few exceptions: The number three (3) is pronounced “tree.”

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In 1949, the City renamed the facility O'Hare Airport to honor Edward Butch O'Hare, the U.S. Navy's first flying ace and Medal of Honor recipient in World War II.

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In many cultures, the number 13 is associated with bad luck, which is why many airlines prefer to avoid igniting the superstitions of their customers and have opted to remove the number from there seating plans.

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The airport code is BNA, which stands for Berry Field Nashville in honor of Col. Harry S. Berry, administrator of the original airport project in the 1930s. The Nashville International Airport is located at One Terminal Drive, Nashville, TN 37214 - 8 miles east of downtown Nashville.

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Aarhus Airport (ZZZ/EKAC): DEPARTURES, ARRIVALS, FLIGHT INFORMATION.

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Meaning of IAD Dulles originally used airport code DIA, the initials of Dulles International Airport. When handwritten, it was often misread as DCA, the code for Washington National Airport, so in 1968 Dulles's code was changed to IAD.

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