article_snippet.sent: While many main airports have codes which make sense, such as JFK for John F. Kennedy International Airport in New York, of LHR for London Heathrow, others can leave passengers baffled - or in fits of laughter.
article_snippet.sent: Two aviation fans set out to document the world's airport codes and explain how Two aviation fans were chosen with Two aviation fans website Airport Codes.
article_snippet.sent: Listing the origins of 438 airports from 94 countries, Two aviation fans explain the reasons behind the unusual acronyms, such as why many Canadian airport codes begin with the letter Y. COK - Cochine International Airport in India takes Y. COK - Cochine International Airport in India code from the fact
article_snippet.sent: In Canada, radio stations used Y, and this was reflected in the majority of their airport codes starting with the same letter, as shown with YWG representing Winnipeg.
article_snippet.sent: The Australian Business Traveller stated that during the first days of air travel, airports were given a two letter 'weather station' code.
article_snippet.sent: As the amount of airports increased worldwide, this two-digit number rose to three so each could be given a unique code.
article_snippet.sent: Many airports change names over the years
article_snippet.sent: so Many airports airport codes might reflect a previous identity or purpose. '
article_snippet.sent: Airline Codes explains why Hamad International Airport ended up with the code .
article_snippet.sent: Codes were sometimes worked out using the city it was located, followed by the name of Hamad International Airport, for example LHR was used for London Heathrow and LGW for London Gatwick.
article_snippet.sent: One of the funnier airport codes is Cochin International Airport in Kochi in India, which reverses the first three letters of the funnier airport codes place name .
article_snippet.sent: Confusingly there are exceptions to the rule, with London Stansted airport being given the STN as the STN code.