[3] 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.

[4] 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.

[8] 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.

On March 24, Changchun, Changzhou, Chaohu formed the 17th Chinese navy escort fleet, which was ready 10 days earlier than the scheduled time.

The formation completed a total of 43 batches of 115 Chinese and foreign ships escorting missions, and then conducted friendly visits to Jordan, UAE, Iran, and Pakistan.