approximate scheme of Yasen-class submarine
Class overview
Name:	Yasen
Operators:	Russian Navy
Preceded by:	Akula class
Building:	1
Planned:	10[1]
Completed:	1 (in trials)[2], 4 on order
Active:	0
General characteristics
Displacement:	5,800–7,700–9,500 surfaced 11,800 submerged
Length:	120m[3]
Beam:	15m[3]
Draught:	8,4m
Propulsion:	1x KPM type pressurized water reactor
Speed:	20kn surfaced, 28kn submerged silent, 35kn+ submerged max[4]
Range:	unlimited except by food supplies
Test depth:	600 meters
Complement:	95 [~30–35 officers]
Sensors and processing systems:	Rim Hat ESM/ECM Snoop Pair Surface Search Radar
Armament:	24 (8x3) VLS P-800 Oniks or RK-55 Granatmissiles, 10x torpedo tubes (8x650mm and 2x533mm).