According to this image the KJ-500A equipped with an IFR-probe seems to be now operational; or at least it wears the standard PLAAF colour scheme. (Image via @秋秋Q30 from Weibo)
Do someone have an idea of the difference in energy use between a triple array like on the KJ-500 and a rotating single array of the same diameter like on the ZDK-03/Y-8F-400 ?