<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">airports</topic></authority><related type="narrower"><topic>heliports</topic></related><related type="narrower"><topic>taxiways</topic></related><related type="narrower"><topic>runways</topic></related><related type="narrower"><topic>overruns</topic></related><related type="other"><topic>aircraft</topic></related><related type="other"><topic>ports of entry</topic></related><related type="other"><topic>airfields</topic></related><related type="broader"><topic>air transportation complexes</topic></related><related type="broader"><topic>ports</topic></related><variant type="other"><topic>ports, air</topic></variant><variant type="other"><topic>aerodrome</topic></variant><variant type="other"><topic>aerodromes</topic></variant><variant type="other"><topic>air ports</topic></variant><variant type="other"><topic>air terminal</topic></variant><variant type="other"><topic>airdromes</topic></variant><variant type="other"><topic>airport</topic></variant> <note xml:lang="en"><![CDATA[ Typically refers to large tracts of open, level land upon which runways, hangars, terminals, and other buildings have been constructed to allow for the takeoffs, landings, loading and unloading, and maintenance of aircraft. For smaller areas that have a runway but no or few additional facilities, see "airfields." ]]></note></mads>