OVERVIEW: The PLA-658S/U Hotel II is a nuclear-powered ballistic missile submarine (SSBN) of the Hotel II class, operated by the Soviet Navy. Commissioned in 1980, this vessel represents a significant upgrade over the earlier Hotel I design, incorporating improved sonar and a quieter propulsion system.

DETAILS: The Hotel II class was developed as a stop-gap measure to provide the Soviet Navy with a credible submarine-launched ballistic missile (SLBM) capability during the early years of the Cold War. The design emerged from the need to deploy nuclear deterrents at sea before more advanced and purpose-built SSBNs like the Yankee class became available in sufficient numbers. While based on the earlier Hotel I design, the Hotel II variant incorporated key improvements, most notably a lengthened hull section to accommodate enhanced acoustic dampening and improved missile systems. The design philosophy prioritized survivability and the ability to deliver a retaliatory nuclear strike, even under adverse conditions. Though later superseded by more advanced classes, the Hotel II SSBNs played a vital role in maintaining the Soviet Union's strategic nuclear parity.

The Hotel II's primary role was strategic nuclear deterrence, tasked with patrolling designated areas and remaining ready to launch its ballistic missiles upon command. While not primarily designed for anti-submarine warfare (ASW) or anti-surface warfare (ASuW), the vessel retained torpedo tubes for self-defense. The acoustic sensors, specifically the Shark Teeth [MKG-100 Kerch] and Shark Fin [MKG-100 Kerch] sonar suites, provided a relatively robust capability for detecting and tracking surface ships and submarines, despite the limitations of early Soviet sonar technology. The Snoop Tray 1 [RLK-101 Albatross] radar system would have provided some early warning of approaching aircraft or surface vessels, but its primary role was likely navigation and surface search. The inclusion of the Mine Avoidance [MG-14 Arfa-G] system was crucial for navigating potentially mined areas, particularly in the GIUK gap and other strategic choke points.

The combination of the Brick Pulp [MRP-21 Zaliv-P] radio intercept system, generic acoustic intercept equipment, and optical periscope offered the Hotel II crew a limited intelligence-gathering capability, allowing them to monitor enemy communications and activities while remaining submerged. The submarine's torpedo armament provided a means of self-defense against hostile submarines and surface ships. The presence of both 533mm and 400mm torpedo tubes suggests the capability to deploy a range of torpedo types, including anti-submarine and anti-surface variants. The Signal Ejector was likely utilized for communication with other units while submerged, using expendable communication buoys. The improved silencing compared to the Hotel I class, though still significantly louder than later Soviet SSBN designs, enhanced the vessel's overall survivability and effectiveness as a strategic deterrent.

SPECIFICATION: Length: 114.0 m || Beam: 9.3 m || Draft: 7.3 m || Disp: 4450 t

SENSORS: Shark Teeth [MKG-100 Kerch] || Shark Fin [MKG-100 Kerch] || Park Lamp || Snoop Tray 1 [RLK-101 Albatross] || Brick Pulp [MRP-21 Zaliv-P] || Generic Acoustic Intercept || Mine Avoidance [MG-14 Arfa-G] || Generic Submarine Periscope || Optical

ARMAMENT: 533mm TT || 533mm TT || 400mm TT || Signal Ejector