45 day; 6,000 miles with snorkel @7 knots
400 miles submerged @3 knots
WEAPON SYSTEMS
Ship-to-Ship Missiles
3M-54E inertial cruise + active radar homing to 220km, warhead 450kg, sea-skimming
Torpedoes
6 X 533mm bow tubes, 24 weapons; TEST-71MKE remotely controlled torpedo with active sonar homing + TV guidance; warhead 205kg; or 53-65KE wake-homing to 40km; warhead 200kg
Mines
24~36 in lieu of torpedoes
ELECTRONIC EQUIPMENTS
Radar
MRK-50 (Snoop Tray-2) surface search
Electronic Countermeasures
Radar warning receiver
Sonar
(Project 877EKM) MGK-400 Rubikon (Shark Teech) hull-mounted, active/passive search and attack, medium frequency
(Project 636) MGK-400EM digital sonar
PROPULSION
Arrangement
Diesel-electric
Primary
2X diesel generators; 1X main propulsion motor; 1X fuel-economic motor; Single shaft driving a seven-blade fixed-pitch propeller
