[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.

The gun suffered from jamming and may have influenced the decision to adopt a different weapon for the Type 052D destroyer.

[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.