Comments from Indian officers.
Indian Navy officers monitoring Chinese naval shipbuilding have told NDTV in the past that learning to operate aircraft carriers efficiently takes years of experience. The pace with which China continues to produce submarines and warships, including aircraft carriers, is, however an eye-opener.
http://www.ndtv.com/india-news/chinas-first-home-made-aircraft-carrier-is-nearly-ready-looks-like-this-1455109