[1] The DA80s had blade problems and may have contributed to the last two Type 052Cs sitting pierside at the shipyard for two years without being accepted by the PLAN.

[3] The Ka-28 is equipped with a search radar and dipping sonar and can also employ sonobuoys, torpedoes, depth charges, or mines.

The naval variant of the Z-9, the Z-9C, is equipped with the KLC-1 search radar, dipping sonar, and is typically armed with a single, lightweight torpedo.

[1] Close-in defence is provided by two seven-barrel 30 mm (1.2 in) Type 730 CIWS, one mounted forward of the bridge and one atop the hangar.

[7] According to the Liberation Army Daily report on December 22, 2016, Xi'an encountered a foreign aircraft approaching in the East China Sea and warned and collected evidence in English.