Dunay-class motorship

River cruise ship Rikhard Zorge - Project 305
Class overview
Builders	Obuda Hajogyar, Budapest, Hungary[1]
Built	1959–1964
In service	1959
Planned	47
Building	47
Completed	47
General characteristics
Type	River cruise ship
Displacement	800 t[2]
Length	77.91 m (255.6 ft)[3]
Beam	15.2 m (50 ft)
Draught	1.36 m (4.5 ft)
Decks	2 passenger decks
Installed power	2 × 8NVD36 or 6NVD36 4-cycle noncompressor reversive diesels 588 kilowatts (789 hp)
Propulsion	2
Speed	20 km/h (12 mph; 11 kn)
Capacity	311 passengers
Crew	55

The Dunay class is a class of Russian river passenger ships,^[4] named after Danube River. They are two-deck cargo-passenger ships built in Hungary between 1959 and 1964.^[5]