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CNS Type 091 (Han)


Nuclear-Powered Attack Submarine


China | 1974



"The Han became the first nuclear-powered submarine for the PLAN - better known as the Chinese Navy."



Authored By: Jerry Potts, 173rd Airborne (RET) | Last Edited: 12/31/2018 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site; No A.I. was used in the generation of this content.
The Han was the first nuclear-powered submarine designed and built by the People's Liberation Army - Navy (PLAN) of China. The Han was an original design by the Chinese Navy that used the "Albacore" hull SSN outline with the diving planes being mounted high and forward on the sail. The Albacore shape is shorter and fatter than earlier boats using conventional model patterns that were longer and thinner but still continued to be deployed at the time. The Han used a single shaft propeller, a major stealth upgrade for the PLAN who, until that time, purchased and used ex-Soviet diesel-electric submarines utilizing twin shaft propellers.

The specifications displayed below are for the first two boats placed in service - #401 in 1974, and #402 in 1980. The remaining three boats #403 in 1984, #404 in 1988 and #405 entered service in 1991 and all served in the North Sea until at least 2002. The last three launched had upgrades that included more advanced modernized equipment and weapons and was increased in length by 26' 3".

In October 1994 the USS Kitty Hawk was on station in the Yellow Sea with her battle group. One of her S-3 Viking patrol aircraft detected a Han-class boat shadowing the carrier from 450 nm away at periscope depth in international waters. The submarine closed to within 20 nm before she turned away. It was obvious the PLAN wanted the sub to be seen by CV-63 Kitty Hawk as a notice to the world's most powerful navy that a new player had entered the Asia-Pacific theater.

The Chinese Navy has been growing in force and capability ever since - driving a new Asian arms race in the region and drawing the attention of Washington.

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Power & Performance
Those special qualities that separate one sea-going vessel design from another. Performance specifications presented assume optimal operating conditions for CNS Type 091 (Han).
1 x Pressured Water Nuclear Reactor; 2 x Steam Turbines developing 12,000 horsepower to 1 x Shaft.
Propulsion
25.0 kts
28.8 mph
Surface Speed
30.0 kts
34.5 mph
Submerged Speed
Essentially Unlimited
Range
Structure
The bow-to-stern, port-to-starboard physical qualities of CNS Type 091 (Han).
75
Personnel
Complement
295.4 ft
90.04 meters
O/A Length
29.6 ft
9.02 meters
Beam
24.4 ft
7.44 meters
Draught
4,500
tons
Displacement
Armament
Available supported armament and special-mission equipment featured in the design of CNS Type 091 (Han).
6 x 21" (533mm) Bow Tube Launchers (some with 4 bow and 2 stern tubes)
YJ801Q surface-to-surface missiles
36 x mines in place of torpedoes
Ships-in-Class (5)
Notable series variants as part of the CNS Type 091 (Han) family line as relating to the Han-class group.
ChangZheng 1 (#401); ChangZheng 2 (#402); ChangZheng 3 (#403); ChangZheng 4 (#404); ChangZheng 5 (#405)
Operators
Global operator(s) of the CNS Type 091 (Han). Nations are displayed by flag, each linked to their respective national naval warfare listing.
National flag of China

[ China ]
1 / 1
Image of the CNS Type 091 (Han)

Mission Roles
Some designs are single-minded in their approach while others offer a more versatile solution to seaborne requirements.
BLUE WATER SERVICE
SUBMERGED ATTACK
MARITIME PATROL
FLEET SUPPORT
Recognition
Some designs stand the test of time while others are doomed to never advance beyond the drawing board; let history be their judge.
Going Further...
CNS Type 091 (Han) Nuclear-Powered Attack Submarine appears in the following collections:
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