. "2430"^^ . . . "220"^^ . "22.42 m"@en . . . . . . . "27"^^ . "21325.0"^^ . . "1820.0"^^ . "25"^^ . "144.7"^^ . "68400.0"^^ . "Two"@en . "6,500 m"@en . "4"^^ . "3644.9"^^ . "950.0"^^ . "1937-04-19"^^ . . "709.0"^^ . "41888.0"^^ . "The Tupolev MTB-2 ( \u2014 Heavy Naval Bomber), also known as the ANT-44, was a four-engine prototype flying boat designed in the Soviet Union in 1935."@en . . . . "plane"@en . "Tumansky M-87A"@en . "0.09"^^ . "prop"@en . "36.45 m"@en . "1131.0"^^ . "355.0"^^ . . "Tupolev MTB-2"@en . "432000.0"^^ . "4500.0"^^ . . "28660.0"^^ . . "19000.0"^^ . "7"^^ . "2242.82"^^ . "Flying boat/Amphibian"@en . "Retired"@en . "The Tupolev MTB-2 ( \u2014 Heavy Naval Bomber), also known as the ANT-44, was a four-engine prototype flying boat designed in the Soviet Union in 1935."@en . "240"^^ . "131"^^ . "1557.5"^^ . "radial engines"@en . "192"^^ . "13000.0"^^ . . . . "7.88 m"@en . "149"^^ . "149"^^ .