Tuvalu
1 (2007)
Uganda
32 (2007)
Ukraine
437 (2007)
United Arab Emirates
39 (2007)
United Kingdom
449 (2007)
United States
14,947 (2007)
United States Pacific Island Wildlife Refuges
Baker Island: one
abandoned World War II runway of 1,665 m covered with vegetation and
unusable
Howland Island: airstrip constructed in 1937 for scheduled refueling
stop on the round-the-world flight of Amelia EARHART and Fred
NOONAN; the aviators left Lae, New Guinea, for Howland Island but
were never seen again; the airstrip is no longer serviceable
Johnston Atoll: one closed and not maintained
Kingman Reef: lagoon was used as a halfway station between Hawaii
and American Samoa by Pan American Airways for flying boats in 1937
and 1938
Midway Islands: 3 - one operational (2,409 m paved); no fuel for
sale except emergencies
Palmyra Atoll: 1 - 1,846 m unpaved runway; privately owned (2008)
Uruguay
60 (2007)
Uzbekistan
54 (2007)
Vanuatu
31 (2007)