We should keep watch to see if KJ-600 model shows up on Liaoning too. If modification to Liaoning are required to handle J-35 then now would be a good time to also add any additional modification required for KJ-600 too if it's also to go STOBAR. There's been quite a few people who's been saying "all the new aircrafts intended for Fujian are also intended for Liaoning and Shandong" or something to that effect, here's Cute Orca just now:
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In fact, regarding the KJ-600 off the two Kuznetsov-class carriers I remain sceptical, but IMO it also raises another question on the current J-15B‘s status? We still haven‘t seen any production aircraft built and even more we heard rumours, the J-35 may have been tested off the PLANS-17„Shandong“ … so is the J-35 progressing faster & J-15B slower than expected?