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Sigma KEE - AirportByRunwaySurface
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airport by runway surface
AirportByRunwaySurface is a subclass of AirportClassification attributes used to describe an airport according to the surface type of its longest runway.
Relationships      
Parents airport classification AirportClassification is a class of Attributes for representing systems that categorize Airports according to some criteria. There are several such systems, including the International Civil Aviation Organization categories A to E, based on runway lengths, the Federal Aviation Administration system associated with airport functions, and the airport categorization by runway length used in the CIA World Fact Book.


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