NAVYPEDIA

Photo

  Afroessa 1951

Ships

Name	No	Yard No	Builder	Laid down	Launched	Comp	Fate
Κάλυμνος [Kalymnos] (ex-BYMS2033, ex-BYMS33)	M201		American Car & Foundry, Wilmington, USA	6.1942	6.1.1943	4.1943 // 1.1946	stricken 1973
Αύρα [Aura] (ex-BYMS2054, ex-BYMS54)			Gibbs Gas Engine, Jackson, USA	8.1942	31.12.1942	6.1943 // 2.1948	stricken 1962
Παξοί [Paxoi] (ex-BYMS2056, ex-BYMS56)	M202		Westerguard Boat Works, Biloxi, USA	5.1942	24.12.1942	6.1943 // 4.1946	stricken 1969
Αριάδνη [Ariadne] (ex-BYMS2058, ex-BYMS58)	P231		Westerguard Boat Works, Biloxi, USA	5.1942	15.1.1943	8.1943 // 9.1947	patrol 1957, stricken 1971
Καρτερία [Karteria] (ex-BYMS2065, ex-BYMS65)	M203		Wheeler SB, Whitestone, USA	4.1942	21.12.1942	1.1943 // 6.1943	stricken 9.1973
Πάραλος [Paralos] (ex-BYMS2066, ex-BYMS66)	M204		Wheeler SB, Whitestone, USA	4.1942	11.1.1943	2.1943 // 6.1943	stricken 9.1973
Σαλαμινία  [Salaminia] (ex-BYMS2067, ex-BYMS67)	M205		Wheeler SB, Whitestone, USA	4.1942	25.1.1943	2.1943 // 6.1943	stricken 1966
Λευκάς [Lefkas] (ex-BYMS2068, ex-BYMS68)	M206		Wheeler SB, Whitestone, USA	4.1942	9.2.1943	3.1943 // 5.1946	stricken 1966
Κάσος [Kassos] (ex-BYMS2074, ex-BYMS74)			Wheeler SB, Whitestone, USA	8.1942	24.4.1943	6.1943 // 12.1943	sunk 15.10.1944
Προκύων [Prokyon] (ex-BYMS2076, ex-BYMS76)	P232		Wheeler SB, Whitestone, USA	8.1942	8.5.1943	6.1943 // 2.1948	patrol 1959, stricken 1968
Βέγας [Vegas] (ex-BYMS2078, ex-BYMS78)	A478		Wheeler SB, Whitestone, USA	10.1942	22.5.1943	7.1943 // 2.1948	survey vessel 1957, discarded 1975
Κλειώ [Kleio] (ex-BYMS2152, ex-BYMS152, ex-YMS152)	P233		Campbell Machine, San Diego, USA	8/1942	17.4.1943	11.1943 // 8.1947	patrol 1959, stricken 1967
Κεφαλληνία [Kefallinia] (ex-BYMS2171, ex-BYMS171, ex-YMS171)	M207		Henry C. Grebe & Co, Chicago, USA	5/1942	21.11.1942	3.1943 // 4.1946	stricken 1966
Κέρκυρα [Kerkyra] (ex-BYMS2172, ex-BYMS172, ex-YMS172)	M208		Henry C. Grebe & Co, Chicago, USA	5/1942	26.11.1942	4.1943 // 4.1946	stricken 1960
Λαμπαδιάς [Lambadias] (ex-BYMS2182, ex-BYMS182, ex-YMS182)	P234		Henry C. Grebe & Co, Chicago, USA	1/1943	15.7.1943	9.1943 // 12.1946	patrol 1959, stricken 1968
Αφροέσσα [Afroessa] (ex-BYMS2185, ex-BYMS185, ex-YMS185)	M209		Greenport Basin, Long Island, USA	5/1942	8.8.1942	2.1943 // 6.1943	stricken 9.1973
Λέρος [Leros] (ex-BYMS2186, ex-BYMS186, ex-YMS186)	M210		Greenport Basin, Long Island, USA	5/1942	22.8.1942	2.1943 // 12.1943	stricken 1969
Σύμη [Symi] (ex-BYMS2190, ex-BYMS190, ex-YMS190)	M211		Greenport Basin, Long Island, USA	8/1942	31.10.1942	5.1943 // 12.1943	stricken 1966
Κως [Kos] (ex-BYMS2191, ex-BYMS191, ex-YMS191)			Greenport Basin, Long Island, USA	9/1942	14.11.1942	6.1943 // 12.1943	sunk 15.10.1944
Ζάκυνθος [Zakynthos] (ex-BYMS2209, ex-BYMS209, ex-YMS209)	M212		Robert Jacob, City Island, USA	4/1942	15.8.1942	3.1943 // 4.1946	stricken 1973
Πήγασος [Pigassos] (ex-BYMS2221, ex-BYMS221, ex-YMS221)	P236		Martinac SB, Tacoma, USA	12/1942	22.4.1943	9.1943 // 2.1948	patrol 1959, stricken 1968
Πάτμος [Patmos] (ex-BYMS2229, ex-BYMS229, ex-YMS229)	M213		Frank L. Sample, Boothby, USA	9/1942	11.1.1943	6.1943 // 12.1943	stricken 1966
Ιθάκη [Ithaki] (ex-BYMS2240, ex-BYMS240, ex-YMS240)	M214		Stadium Yacht Basin, Cleveland, USA	4/1942	31.10.1942	5.1943 // 5.1946	stricken 1966
Θάλεια [Thalia] (ex-BYMS2252, ex-BYMS252, ex-YMS252)	P238		Weaver SY, Orange, USA	5/1942	24.6.1943	9.1943 // 5.1946	patrol 1959, stricken 1967
Ανδρομέδα [Andromeda] (ex-BYMS2261, ex-BYMS261, ex-YMS261)	P240		South Coast SB, Newport Beach, USA	6/1942	25.9.1942	7.1943 // 5.1946	patrol 1959, stricken 1967

Technical data

Displacement standard, t	270
Displacement full, t	320
Length, m	39.6 wl 41.5 oa
Breadth, m	7.47
Draught, m	2.36 full load
No of shafts	2
Machinery	2 diesels
Power, h. p.	800
Max speed, kts	14
Fuel, t	diesel oil
Endurance, nm(kts)	2000 (12)
Armament	1 x 1 - 76/50 Mk 21, 2 x 1 - 20/70 Mk 10, 2 DCT, 2 DCR, mechanical, magnetic, acoustic minesweeping gear
Electronic equipment	SO or SU radar
Complement	60

Standard scale images

Graphics

Project history

YMS class minesweepers, built specially for transfer to RN on lend-lease. First four soon after arrival to British ports were transferred to Greece (formally they were registered as returned by Great Britain 12.8.1944 to USA), three more were returned by Royal Navy to US Navy 15.12.1943 and transferred by latter to Greece 20.12.1943. After war, in 1946-1948, Greece received additional boats.

Modernizations

1957, Ariadne; 1959, Prokyon, Kleio, Lambadias, Pigassos, Thalia, Andromeda: - minesweeping gear

Naval service

 Kassos and Kos were lost on mines 15.10.1944 at approaches to Piraeus.