Let's put it this way Liaoning has been out at sea more times than Kuznetzov They said they make 1000 improvement over Kutz It was all over the Chinese media and picked up by the western media. I wouldn't surprise if they did because they spend close to a decade analyzing , tinkering and improve the Varyag. Sofar we haven't had any major accident of snafu. For sure all the electronic,radar,CWIS are top rate
The Chinese Navy (PLAN)
of this training mission, and CCTV-7 published a video, focusing on the Liaoning propulsion system, a rarely covered topic.
When the ex-Varyag was sold to China, propulsion systems were the few parts of the ship that remained in a proper state. The Chinese engineers then analyzed all the systems and implemented more than 1,000 modifications in order to improve the stability, the reliability and the overall performance of the propulsion.
One of the major changes applied was to reduce the pressure in the boiler pipes, in order to prevent boilers from operating systematically in over-drive mode when the vessel exceeds 18 knots, a problem that was present on its sistership, the Russian aircraft carrier Admiral Kuznetsov.