- U Ranch AirportIdent: US-1870Country: United States
- U U Ranch AirportIdent: TA80Country: United States
- U-Tapao–Rayong–Pattaya International AirportIdent: VTBUCountry: Thailand
- Ua Huka AirportIdent: NTMUCountry: French Polynesia
- Ua Pou AirportIdent: NTMPCountry: French Polynesia
- Uaicas AirportIdent: SWAECountry: Brazil
- Uapuí Cachoeira AirportIdent: SWUKCountry: Brazil
- Ubaporanga AirportIdent: SNCTCountry: Brazil
- Ubaru AirportIdent: SJNBCountry: Brazil
- Ubatuba Gastão Madeira State AirportIdent: SDUBCountry: Brazil
- Ubaydah Bin Al Jarrah AirportIdent: ORUBCountry: Iraq
- Ubon Ratchathani AirportIdent: VTUUCountry: Thailand
- Ubá AirportIdent: SNUBCountry: Brazil
- Ucharonidge AirportIdent: YUCHCountry: Australia
- Uchkuduk AirportIdent: UTSUCountry: Uzbekistan
- Udairi Army Air FieldIdent: OKDICountry: Kuwait
- Udbina AirfieldIdent: HR-0034Country: Croatia
- Udhailiyah AirportIdent: OEUDCountry: Saudi Arabia
- Udhampur Air Force StationIdent: VIUXCountry: India
- Udine-Campoformido AirfieldIdent: LIPDCountry: Italy
- Udine-Rivolto Air BaseIdent: LIPICountry: Italy
- Udon Thani International AirportIdent: VTUDCountry: Thailand
- Uelzen AirfieldIdent: EDVUCountry: Germany
- UEPL Khaskheli AirstripIdent: OP16Country: Pakistan
- Uetersen-Heist AirfieldIdent: EDHECountry: Germany
- Ufa International AirportIdent: UWUUCountry: Russia
- Uff-Da AirportIdent: 2WI1Country: United States
- Uglovaya Air BaseIdent: RU-0149Country: Russia
- Ugnu-Kuparuk AirportIdent: PAKUCountry: United States
- Ugolny Yuri Ryktheu AirportIdent: UHMACountry: Russia
- Uige AirportIdent: FNUGCountry: Angola
- Uiju AirportIdent: ZKUJCountry: North Korea
- Ukhta AirportIdent: UUYHCountry: Russia
- Ukiah Municipal AirportIdent: KUKICountry: United States
- Uktus AirportIdent: USSKCountry: Russia
- Ukunda AirstripIdent: HKUKCountry: Kenya
- Ulaanbaatar Chinggis Khaan International AirportIdent: ZMCKCountry: Mongolia
- Ulaangom AirportIdent: ZMUGCountry: Mongolia
- Ulan-Ude East AirportIdent: RU-6560Country: Russia
- Ulanhot Yilelite AirportIdent: ZBULCountry: China
- Ulanqab Jining AirportIdent: ZBUCCountry: China
- Ulawa AirportIdent: AGARCountry: Solomon Islands
- Ullrich AirportIdent: 0TS4Country: United States
- ULM Québec AerodromeIdent: CCU2Country: Canada
- Ulongwe AirportIdent: FQUGCountry: Mozambique
- Ulsan AirportIdent: RKPUCountry: South Korea
- Ultra Flight AirparkIdent: 3MO2Country: United States
- Ultraflyte, Inc UltralightportIdent: MY62Country: United States
- Ultraleve Clube Curitiba AirportIdent: SSULCountry: Brazil
- Ultralight Flight Farm UltralightportIdent: NK89Country: United States
- Ulukhaktok Holman AirportIdent: CYHICountry: Canada
- Ulusaba AirportIdent: FAUSCountry: South Africa
- Ulyanovsk Baratayevka AirportIdent: UWLLCountry: Russia
- Ulyanovsk Vostochny AirportIdent: UWLWCountry: Russia
- Ulysses AirportIdent: KULSCountry: United States
- Uléi AirportIdent: NVSUCountry: Vanuatu
- Umaru Musa Yar'adua AirportIdent: DN57Country: Nigeria
- Umatilla Municipal AirportIdent: X23Country: United States
- Umba AirportIdent: AYUCCountry: Papua New Guinea
- Umbeara AirportIdent: YUMBCountry: Australia
- Umberto Modiano AirportIdent: SBBZCountry: Brazil
- Umbu Mehang Kunda AirportIdent: WADWCountry: Indonesia
- Umeå AirportIdent: ESNUCountry: Sweden
- Umiat AirportIdent: PAUMCountry: United States
- Umiujaq AirportIdent: CYMUCountry: Canada
- Umm Al-Shokhot AirportIdent: OT62Country: Qatar
- Ummlejj AirportIdent: OEUMCountry: Saudi Arabia
- Umnugobi/Tavan Tolgoi AirportIdent: ZMTTCountry: Mongolia
- Umphlett AirstripIdent: VG37Country: United States
- Umpqua AirportIdent: 58ORCountry: United States
- Umpqua RV Park Fly In AirportIdent: 94ORCountry: United States
- Umuwa AirportIdent: YUMUCountry: Australia
- Una-Comandatuba AirportIdent: SBTCCountry: Brazil
- Unalakleet AirportIdent: PAUNCountry: United States
- Unaí AirportIdent: SNUNCountry: Brazil
- Uncle Chuck's AirportIdent: IS80Country: United States
- Uncle Kenny's AerodromeIdent: 69OKCountry: United States
- Uncle Raymonds AirportIdent: TS19Country: United States
- Underland AirstripIdent: 6MN8Country: United States
- Underline OK AirportIdent: US-0997Country: United States
- Underwood AirportIdent: 44WYCountry: United States
- Underwood AirportIdent: ND44Country: United States
- Undilla AirportIdent: YUDLCountry: Australia
- Undlin AirstripIdent: 7NA2Country: United States
- Unger FieldIdent: 0OI2Country: United States
- Uni Frutti AirportIdent: SCUNCountry: Chile
- Unicorn AirportIdent: LA26Country: United States
- Unicorn Place AirportIdent: 69FDCountry: United States
- Uniggel Sementes - Fazenda Santa Maria AirportIdent: SSUSCountry: Brazil
- Unije AirfieldIdent: LDPNCountry: Croatia
- Union County AirportIdent: KMRTCountry: United States
- Union County, Troy Shelton FieldIdent: K35ACountry: United States
- Union Glacier Blue-Ice RunwayIdent: SCGCCountry: Antarctica
- Union Island International AirportIdent: TVSUCountry: St. Vincent & Grenadines
- Union Municipal AirportIdent: 3MS9Country: United States
- Union Parish AirportIdent: KF87Country: United States
- Unionville Municipal AirportIdent: K43Country: United States
- Unity AerodromeIdent: SC76Country: United States
- Unity AirportIdent: 11OGCountry: United States
- Unity AirportIdent: CKE8Country: Canada
- University AirparkIdent: 41GCountry: United States
- University AirportIdent: KEDUCountry: United States
- University of Illinois Willard AirportIdent: KCMICountry: United States
- University of Oklahoma Westheimer AirportIdent: KOUNCountry: United States
- University Oxford AirportIdent: KUOXCountry: United States
- Unknown FieldIdent: 1MA5Country: United States
- Unswantz AirstripIdent: SEUWCountry: Ecuador
- Untied Acres AirportIdent: IS83Country: United States
- Unzicker AirportIdent: 4IL9Country: United States
- Up Yonder AirportIdent: 98MNCountry: United States
- Upala AirportIdent: MRUPCountry: Costa Rica
- Upata AirportIdent: SVUPCountry: Venezuela
- Upavon AerodromeIdent: EGDJCountry: United Kingdom
- Upernavik AirportIdent: BGUKCountry: Greenland
- Uphill AirportIdent: PS67Country: United States
- Upington AirportIdent: FAUPCountry: South Africa
- Upland-Cable AirportIdent: KCCBCountry: United States
- Upolu AirportIdent: PHUPCountry: United States
- Upper Cumberland Regional AirportIdent: KSRBCountry: United States
- Upper Hannum Creek AirportIdent: 4Z2Country: United States
- Upper Horton Wyl AirportIdent: YUPHCountry: Australia
- Upper Kent AirportIdent: CA-0393Country: Canada
- Upper Loon Creek US Forest Service AirportIdent: U72Country: United States
- Upper Paauilo AirstripIdent: HI27Country: United States
- Upperville AirportIdent: 2VG2Country: United States
- Uppsala-Sundbro AirfieldIdent: ESKCCountry: Sweden
- Uprun Air BaseIdent: RU-7978Country: Russia
- Upshur County Regional AirportIdent: KW22Country: United States
- Upton Municipal AirportIdent: 83VCountry: United States
- Urandangi AirportIdent: YUDGCountry: Australia
- Uranium City AirportIdent: CYBECountry: Canada
- Uraricoera AirportIdent: SJNCCountry: Brazil
- Uray AirportIdent: USHUCountry: Russia
- Urban AirportIdent: 8OH5Country: United States
- Urgench International AirportIdent: UTNUCountry: Uzbekistan
- Uri Michaeli Haifa International AirportIdent: LLHACountry: Israel
- Uribe AirportIdent: SKUBCountry: Colombia
- Urmia AirportIdent: OITRCountry: Iran
- Uroubi AirportIdent: AYUECountry: Papua New Guinea
- Ursel Air BaseIdent: EBULCountry: Belgium
- Uru Harbour AirportIdent: AGATCountry: Solomon Islands
- Uruapan - Licenciado y General Ignacio Lopez Rayon International AirportIdent: MMPNCountry: Mexico
- Uruaçu AirportIdent: SWWUCountry: Brazil
- Urucu AirportIdent: SBUYCountry: Brazil
- Uruçuí AirportIdent: SJI3Country: Brazil
- US Trinity AirportIdent: TX22Country: United States
- USAF Academy AirfieldIdent: KAFFCountry: United States
- Usaf Academy Bullseye Aux AirstripIdent: CO90Country: United States
- Usarumpia AirstripIdent: AYUXCountry: Papua New Guinea
- Useldange Glider FieldIdent: ELUSCountry: Luxembourg
- Useless Loop AirportIdent: YUSLCountry: Australia
- Usharal AirportIdent: UAALCountry: Kazakhstan
- Ushuaia - Malvinas Argentinas International AirportIdent: SAWHCountry: Argentina
- Ushuaia Aeroclub AirportIdent: AR-0736Country: Argentina
- Usiminas AirportIdent: SBIPCountry: Brazil
- Usina Açucareira Santo Antônio AirportIdent: SDTNCountry: Brazil
- Usina Branco Peres AirportIdent: SWYOCountry: Brazil
- Usina Calcário Parecis AirportIdent: BR-1589Country: Brazil
- Usina Califórnia AirportIdent: SDUUCountry: Brazil
- Usina Catanduva AirportIdent: SDDVCountry: Brazil
- Usina Colorado AirportIdent: SDGBCountry: Brazil
- Usina Coruripe - Filial Limeira do Oeste AirportIdent: SSZWCountry: Brazil
- Usina Coruripe AirportIdent: SNUZCountry: Brazil
- Usina de José Bonifácio AirportIdent: SNHJCountry: Brazil
- Usina de Monções AirportIdent: SSVOCountry: Brazil
- Usina Delta I AirportIdent: SNUSCountry: Brazil
- Usina Porto Rico AirportIdent: SNUPCountry: Brazil
- Usina Santa Adélia AirportIdent: SDUDCountry: Brazil
- Usina Santa Cruz AirportIdent: SJXCCountry: Brazil
- Usina Santa Helena AirportIdent: BR-1587Country: Brazil
- Usina Santa Lydia AirportIdent: SDULCountry: Brazil
- Usina Santa Rita AirportIdent: SDSQCountry: Brazil
- Usina São Luiz AirportIdent: SDUZCountry: Brazil
- Usina São Martinho AirportIdent: SDTYCountry: Brazil
- Usina São Simão AirportIdent: BR-2204Country: Brazil
- Usina Vale do Tijuco AirportIdent: BR-0448Country: Brazil
- Usinas Itamarati AirportIdent: SWGZCountry: Brazil
- Usinsk AirportIdent: UUYSCountry: Russia
- Ussel-Thalamy AirfieldIdent: LFCUCountry: France
- Ust'-Kamchatsk AirportIdent: UHPKCountry: Russia
- Ust-Ilimsk AirportIdent: UIBSCountry: Russia
- Ust-Kut AirportIdent: UITTCountry: Russia
- Ust-Nera AirportIdent: UEMTCountry: Russia
- Ust-Tsylma AirportIdent: UUYXCountry: Russia
- Usti Nad Labem AirfieldIdent: LKULCountry: Czechia
- Ustupu AirportIdent: UTUCountry: Panama
- Utai AirstripIdent: AYUACountry: Papua New Guinea
- Utarom AirportIdent: WASKCountry: Indonesia
- Uthachi Highway Strip AirportIdent: KP-0041Country: North Korea
- UTIDA AirstripIdent: SD8UCountry: Brazil
- Utinga AirportIdent: SNUTCountry: Brazil
- Utirik AirportIdent: 03NCountry: Marshall Islands
- Utkela AirportIdent: VEUKCountry: India
- Utopia AirportIdent: YUTPCountry: Australia
- Utopia Station AirportIdent: YUTSCountry: Australia
- Utsunomiya Air FieldIdent: RJTUCountry: Japan
- Uttarlai AirportIdent: VIUTCountry: India
- Utter FieldIdent: 2OA7Country: United States
- Utti Air BaseIdent: EFUTCountry: Finland
- Uverito AirportIdent: SV73Country: Venezuela
- Uvol AirportIdent: AYUZCountry: Papua New Guinea
- Uxiu AirstripIdent: SDZCCountry: Brazil
- Uyuimi AirstripIdent: SEUYCountry: Ecuador
- Uzhhorod International AirportIdent: UKLUCountry: Ukraine
- Uzès-Belvezet AirfieldIdent: LFNUCountry: France
- Uşak AirportIdent: LTBOCountry: Türkiye
- Úbere Agropecuária AirportIdent: SI56Country: Brazil
- ÚrhidaIdent: LHUHCountry: Hungary
- Ústí Nad Orlicí AirfieldIdent: LKUOCountry: Czechia
- Ürümqi Changji Air BaseIdent: CN-0135Country: China
- Ürümqi South Air BaseIdent: CN-0132Country: China
- Ürümqi Tianshan International AirportIdent: ZWWWCountry: China