RFS DMITROV
Baltic Fleet
Project number 877EKM
Class overview and general details:
Builders: Central Design Bureau for Marine Engineering "Rubin"
Shipyard 199 "Krasnoe Sormovo", Nizhniy Novgorod (Gorkiy)
Shipyard 112,"imeni Leninskogo Komsomola", Komsoloľsk na Amure
Shipyard "Leningradskoe Admiralteyskoe Obedinenie" (Admiralteyskie Verfi), Saint Petersburg (Leningrad)
Shipyard "Severnoe Mašinostroiteľnoe Predprijatie", Severodvinsk
Operators: Soviet Navy / Russian Navy / People's Liberation Army Navy / Indian Navy / Islamic Republic of Iran Navy / Polish Navy / Romanian Naval Forces / Algerian National Navy / Vietnam People's Navy
Preceded by: Tango class
Succeeded by: Lada class
In commission: December 1980
Completed: 70
Active: 59
Retired: 2
General characteristics:
Displacement:
Surfaced: 2,300–2,350 tons
Submerged: 3,000-3,950 tons full load
Length: 70.0–73.8 m
Beam: 9.9 m
Draft: 6.2 m
Installed power: Diesel-electric
Propulsion: Diesel-electric propulsion
2 × 1000 kws Diesel generators
1 × 5,500 – 6,800 shp (4,100 – 5,100 ks) Propulsion motor
1 × fixed-pitch 6 or 7 bladed propeller (6BL project 877) (7BL project 636)
Speed:
Surfaced: 17 knots (31 km/h; 20 mph)
Submerged: 20 knots (37 km/h; 23 mph)
Range:
With snorkel: 6,000–7,500 nmi (11,100–13,900 km; 6,900–8,600 mi) at 7 kn (13 km/h; 8.1 mph)
Submerged: 400 nmi (740 km; 460 mi) at 3 kn (5.6 km/h; 3.5 mph)
Endurance: 45 days
Test depth:
Operational: 240 m
Maximum: 300 m
Complement: 52
Armament:
6 x 533 mms (21 in) torpedo tubes
18 x torpedoes
4 Kalibr / Club land-attack cruise missile
anti-ship missile
anti-submarine missile (some versions)
24 x mines
8 9K34 Strela-3 (SA-N-8 Gremlin) or 8 9K310 Igla-1 (SA-N-10 Gimlet) Surface-to - air missiles (export submarines may not be equipped with air defense weapons)