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Military


Project 705 Lira
Alfa class
Attack Submarine (Nuclear Powered)

Specifications
Displacement (tons): 2,310-2,900 tons Surfaced
3,100-4,320 tons Submerged
Reserve buoyancy 37%
Speed (kts): 14 knots surfaced
43-45 knots submerged
Endurance: 1,175 full power hours
30-50 days stores endurance
Operating Depth 1,150-2,000 feet / 400 meters - Maximum Safe Depth
1,400-3,900 feet / 500 meters - Never-Exceed Depth
1,700-?,??? feet Crush Depth
Dimensions (m): 79.5-81.4 meters long
9.5-10 meters beam
6.9-7.6 meters draft
Propulsion: 1 liquid-metal nuclear reactors
(155 MWt Type: OK-550 or BM-40A)
[2 units re-engined with VM-4 reactor from Project 671B]
2 steam turbines; 40-47,000 shp
1 5 bladed propeller
Crew: 31-45
The crew all officers, persons 32 (31)
Armament:
Missiles:
  • 21 81R (SS-N-15) or
  • 12 Vodopad (SS-N-16)
    • Torpedoes: 6 533mm bow TT
  • 18 53-65K, SET-65 torpedoes or
  • 20 VA-111 torpedoes or
  • 21 SS-N-15/81R or
  • 24 mines
    • Systems:
  • Topol MRK.50 [Snoop Tray] Surface Search radar
  • Sozh Navigation system radar
  • MG-21 Rosa Underwater communications
  • Molniya Satellite communications
  • Vint & Tissa Communications antennas
  • Accord Combat direction system
  • Leningrad-705 Fire control system
  • Okean active/passive Sonar
  • MG-24 Luch mine detection sonar
  • Bukhta ESM/ECM
  • Yenisei Sonar intercept receiver
  • Khrom-KM IFF



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