In C. Paizis-Paradellis, "Hellenic Warships 1829-2001", Athens, 2002:
ANTAEUS, A 407: delivered in Malta. In service since 1947
ACHILLEFS A 409 ex ENGELADOS: in service since 10 July 1947
DANAOS A 427: transferred in 1990 under MAP. In commission in 2001.In the same class: KADMOS A 428, NESTOR A 422

In Eric Wertheim's "Naval Institute Guide to the Combat Fleets of the World 2007" A 409 ACHILLEUS of 260 tons is listed, as are A 422 KADMOS (built 1989 at Hellenic SY, Skaramanga), A 427 DANAOS ex DEKANISORA YTM 252 ex YT 252 ex BYT 4 (transferred 22.11.1989) of 210 tons and NESTOR ex WAHPETON YTM 527 of 260 tons