The Beriev Be-2500 Neptun is a super heavy amphibious transport aircraft that, as of 2007, was in design and development by Russian design firm Beriev. The maximum takeoff weight is estimated at 2500 tons, hence its name.
Beriev Be-2500
The PJSC Beriev Aircraft Company, formerly Beriev Design Bureau, is a Russian aircraft manufacturer, specializing in amphibious aircraft.
Beriev
Beriev Be-200, amphibian airplane