The 4,500/5,500-ton Type 091 (US Department of Defense designation Han-class, Chinese designation 09-I) was the first nuclear-powered submarine (SSN) class deployed by the People's Liberation Army Navy. The general designer of the submarine was Mr. Huang Xuhua, and first submarine in the class was commissioned in 1974 and the fifth and final boat of the class was commissioned in 1990. The Han-Class is the among the first generation of nuclear-powered submarines in the People's Liberation Army Navy.
