D
Naval ForcesChina

Type 091 Class (Han Class)

Nuclear attack submarineFielded 1974Pending verification
Naval ForcesCHN
Type 091 Class (Han Class)
Photo: Service Depicted: Other Service (Assets/Still/1994/Navy/DN-SN-94-00790) · Public domain, Wikimedia Commons
Fact cardConfidence · Source
System
TypeNuclear attack submarine
Date of introduction1974
ProliferationOrigin country only
Crew75Med[1]
Hulls delivered5Hulls listed in the source cardMed[1]
Dimensions and weight
Length101 m331 ftMed[1]
Beam10.6 m35 ftMed[1]
Draft7.4 mMed[1]
Displacement (surface)4,572 tonsMed[1]
Displacement (submerged)5,639 tMed[1]
Propulsion and performance
Propulsion1 x 90 MWMed[1]
Engine power12,000 total bhp; 1 shaftMed[1]
Diving depth300 mMed[1]
Protection
CountermeasuresYesMed[1]
NBC Water Washdown SystemYesMed[1]
Armament
Torpedoes: torpedo tubes6 x 533-mm bow tubesMed[1]
Torpedoes: torpedosYu-3 (Russian SET-65E) ASW torpedoes and Yu-4 anti-ship torpedoes carried.Med[1]
Torpedoes: basic load18 x TorpedoesMed[1]
Mines36 x in lieu of torpedoesMed[1]
ArmamentYJ-82 SSMMed[1]
Fire control
Radars and sonars1 x Snoop Tray Surface SearchMed[1]
Name1 x H/SQ2-262; 1 x H/SQG-207; 1 x Thales DUUX 5; 1 x CEIEC Type 921AMed[1]
Variants
CHANG ZHENG-1Commissioned: Aug. 1, 1974 Status: Museum[1]
CHANG ZHENG-2Commissioned: January 1980 Status: Stricken[1]
CHANG ZHENG-3Commissioned: Sept. 21, 1984 Status: Active[1]
CHANG ZHENG-4Commissioned: November 1988 Status: Active[1]
CHANG ZHENG-5Commissioned: December 1990 Status: Active[1]
Weapons and payload options · 1Confidence · Source
YJ-82 SSMAnti-Ship Cruise Missile
Med[1]
Range
42 km26 mi · 23 nmi
Type
Anti-Ship Cruise Missile
Guidance
Inertial navigation/active radar homing terminal guidance
Warhead
165 kg high-explosive fragmenting warhead
Speed
Mach 0.9
Summary

The Type 091 Class (Han Class) Chinese Nuclear Attack Submarine is a first-generation nuclear attack submarine produced by the People's Republic of China. They were the first nuclear-powered submarine employed by the People's Liberation Army Navy Submarine Force, and the first indigenously produced nuclear attack submarines in Asia.

Draft entry. Values come from the cited public sources and are awaiting editor verification.
CompareShow on range mapJSON
Operators
China
Sources
  1. Type 091 Class (Han Class) Chinese Nuclear Attack Submarine, U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)
    Published/updated 2026-03-20 · Tier 1 · checked 2026-10-10
Change log
  • 2026-10-10 Entry created from the Worldwide Equipment Guide (ODIN), bulk import
  • 2026-10-10 Added photo (Public domain)