the only operator of the world's largest fixed wing aircraft, the An-225. Donetsk Airport destroyed due to War in Donbass. New terminal at Odesa International Airport has been opened for arrival flights on April 14, 2017. Airports Total: 412 (2012) Airports with paved runways Total: 179 Over 3,047 m: 13 2,438 to 3,047 m: 49 1,524 to 2,437 m: 22 914 to 1,523 m: 6 Under 914 m: 89 (2012) Major airports are: Kyiv Boryspil Airport, Dnipro International Airport, Kharkiv Airport, Lviv Airport, Donetsk Airport, Odessa Airport, and Simferopol Airport. Airports with unpaved runways Total: 233 2,438 to 3,047 m: 2 1,524 to 2,437 m: 6 914 to 1,523 m: 9 Under 914 m: 216 (2012) Heliports Total: 7 (2012) Water transport River transport navigable waterways on 7 rivers, most of them are on Danube, Dnieper and Pripyat rivers. All Ukraine's rivers freeze over in winter (usually December through March), limiting navigation. However, river icebreakers are available on the Dnieper, at least in vicinity of Kyiv. Danube The most important waterway of Ukraine. Izmail Reni Commercial Seaport Ust-Danube Commercial Seaport Dnipro Dnipro within Ukraine is a regulated system of reservoirs separated by dams with shiplocks. The river is navigable through all its Ukrainian length. Cherkasy Dnipro Kakhovka Kremenchuk Kyiv River Terminal Nikopol Zaporizhzhia Pripyat Notable riverport Chernobyl is now abandoned due to the Chernobyl disaster, but the waterway retains its importance as part of the Dnieper–Baltic Sea route. Southern Bug Plans are announced to revitalize commercial freight navigation on the Southern Bug as part of the increasing grain export from Ukraine. Sea transport Merchant marine Total: 134 ships ( or over) totaling / Ships by type: bulk carrier 3, cargo ship 98, chemical tanker 1, passenger ship 6, passenger/cargo ship 5, petroleum tanker 8, refrigerated cargo ship 11, specialized tanker 2 (2010) Sea ports and harbours As of July 2013, Ukraine had 18 "marine trade ports" available for foreign ships' entry. Some of these "marine trade ports" are actually port conglomerates comprising several non-adjacent ports and tenant private terminals. Major river ports are also considered "marine" international ports. Berdyansk (Sea of Azov) Agro-CLASS (oil terminal) Bilhorod-Dnistrovsky Seaport (Black Sea) Port Buhaz (auxiliary) Theodosia (Black Sea) Chornomorsk (Black Sea) (Ukrferry: Odessa — Istanbul / Derince / Haifa / Varna) Aldi (specialized complex) Chornomorsk Fuel Terminal Chem-Oil-Transit-Ukraine Trans Bulk Terminal (grain complex) Ship Maintenance Factory Fishing port Izmail (Danube river / Black