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Singapore Airport Codes

Singapore Airports Location Identifier, Airport Code Lookup, IATA Code for Singapore

Airports around the world are universally known by a unique three-letter code: the "Location Identifier" in aviation-speak. It's obviously much easier for pilots, controllers, travel agents, frequent flyers, computers and baggage handlers to say and write JFK than the John F Kennedy International Airport, Newyork.

The continued growth of aviation world-wide meant that three letter combinations were insufficient to identify every airport in the world. Eventually the system expanded, allowing numbers and four digit combinations; however, an airport served by scheduled route air-carrier or military airlift aircraft always has a code comprising of only three letter IATA code.



IATA Code for Singapore

City / Airport Code Country
Singapore - Changi AirportSIN Singapore


The continued growth of aviation worldwide meant that three letter combinations were insufficient to identify every airport. Eventually the system expanded, allowing numbers and four digit combinations; however, an airport served by scheduled route air-carrier or military airlift aircraft always has a code comprising of only three letter IATA code.



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Airports

The system is not quite sufficient to cover all possible small airports. Perhaps as a sign of that, just over 300 codes are actually reused (i.e. used by more than one airport). This isn't a big problem when the airports are too not close (there's no chance of confusing 2 small regional airports on different continents).

For traffic planning, a different system with 4 letters and digits is used. However, all of the world's biggest airports have three-letter airport codes and passengers only know those. 3 letter codes are assigned by the International Air Transport Association (IATA).

  • *** Some cities have several airports. In these cities the city itself gets a code and each airport also gets a code.
  • IATA airport code 3 letter city code | location identifier code | three letter codes for Airports.


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