U.S. Department of the Interio (DOI)
Ucoaviacion (UCO)
Udbina (LDZU)
Ues-Avia Aircompany (UES)
Uetersen (EDHE)
UFS (UFS)
Uganda Air Cargo (UCC)
Uganda Airlines (UGA)
Uganda Royal Airways (RAU)
Ugnu-Kuparuk Airport (PAKU)
UK HEMS (HLE)
UK International Airlines (UKI)
UK Royal/HRH Duke of York (LPD)
Ukraine Air Alliance (UKL)
Ukraine Air Enterprise (UKN)
Ukraine International Airlines (AUI)
Ukraine Transavia (TRB)
Ukrainian Cargo Airways (UKS)
Ukrainian Helicopters (UHL)
Ukrainian Pilot School (UPL)
Ukrainian State Air Traffic Se (UTS)
Uktus Airport (USSK)
Ukunda Airport (HKUK)
Ulaangom Airport (ZMUG)
Ulawa Airport (AGAR)
Ulongwe (FQUG)
Ultrair (ULT)
Ulyanovsk Higher Civil Aviatio (UHS)
UM Airlines (UKM)
Unalakleet Airport (PAUN)
Uni Air (UIA)
Uni-Fly (UNC)
Unifly Servizi Aerei (UNU)
Unijet (LEA)
Union Africaine des Transports (UAI)
Union des Transports Africains (GIH)
Union Flights (UNF)
United Air Charters (UAC)
United Airlines (UAL)
United Airways (UBD)
United Arab Emirates Air Force (UAF)
United Arabian Airlines (UAB)
United Aviation (UVN)
United Aviation Services (SAU)
United Carriers Systems (UCS)
United Eagle Airlines (UEA)
United Kingdom Civil Aviation (SDS)
United Kingdom Civil Aviation (EXM)
United Kingdom Civil Aviation (CFU)
United Kingdom Home Office (UKP)
United Kingdom Royal VIP Fligh (TQF)
United Kingdom Royal VIP Fligh (KRH)
United Kingdom Royal VIP Fligh (KRF)
United Parcel Service (UPS)
United States Air Force (AIO)
United States Coast Guard Auxi (CGX)
United States Department Of Ag (AGR)
Unitemp-M (UMS)
Universal Airlines (WEC)
Universal Airlines (PNA)
Universal Airlines (UVG)
Universal Airways (UVA)
Universal Avia (HBU)
Universal Jet (UNJ)
Universal Jet Aviation (UJT)
Universal Jet Rental de Mexico (UJR)
University Air Squadron (UAJ)
University Air Squadron (UAA)
University Air Squadron (UAH)
University Air Squadron (UAD)
University of North Dakota (NDU)
Unsped Paket Servisi (UNS)
Unst Airport (EGPW)
Uppsala (ESCM)
Uraiavia (URV)
Ural Airlines (SVR)
Urartu-Air (UTU)
Urbe (LIRU)
Urgemer Canarias (UGC)
Ursel (EBUL)
Urubupunga (SBUP)
US Airports Air Charter (UCH)
US Airways (USA)
US Army Parachute Team (GKA)
US Check Airlines (USC)
US Express (USX)
US Helicopter (USH)
US Jet (USJ)
US Marshals Service (MSH)
USA Jet Airlines (JUS)
USA3000 Airlines (GWY)
USAF Air Mobility Operations C (DOD)
USAfrica Airways (USF)
Ust-Kut (UITT)
UTAGE (UTG)
UTair Aviation (UTA)
Utair South Africa (UTR)
Utkela (VEUK)
Uvavemex (UVM)
Uyuni Airport (SLUY)
Uzbekistan Airways (UZB)
