AircraftPBY-6APBY-6APBY-6AFamilyPBY CatalinaClassFlying boatAliasesOA-10BProduced175ChangesAmphibian with a taller fin and rudder, a radar scanner above the cockpit and two .30 bow guns; built January–May 1945, 21 to the Soviet Navy.EnginePratt & Whitney R-1830-92 Twin WaspEngines2Service193119321933193419351936193719381939194019411942194319441945Soviet Union · Pacific≈ 9 Aug 1945 – Sep 1945