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NavSource Online:
Patrol Yacht Photo Archive

INS Maoz (K 24)
ex-USS Cythera (PY 31)

Call sign:
Nan - Baker - William - Peter

Cythera served the Navies of the United States and Israel

Patrol Yacht:

  • The second Cythera was built in 1931 as Argosy by Germaniawerft, Kiel, Germany
  • Purchased by the Navy 14 July 1942
  • Commissioned USS Cythera (PY 31), 26 October 1942
  • Decommissioned 3 January 1944 and placed in service
  • Placed out of service 14 March 1946 at New York
  • Transferred 6 November 1946 to the Maritime Commission for disposal
  • Sold in 1946 to the Thyne Shipping Co.
  • Renamed Abril
  • Renamed Ben Hecht
  • Placed in service in 1948 with the Israeli and renamed INS Maoz (K 24)
  • Sold in 1956 to an Israel businessman and renamed Abril
  • Acquired by Navigazione Libera di Golfo of Italy, renamed Santa Maria del Mare and served as a ferry in the Gulf of Naples
  • Sold in 2008 was refitted, repainted, refurbished and remade into the luxury private yacht she once was and put up for sale for 15,000,000 Euros
  • Renamed Rossy One
  • Fate unknown.


  • Displacement 800 t.
  • Length 205' 7"
  • Beam 30'
  • Draft 10' 10"
  • Speed 15 kts.
  • Complement 74
  • Armament: One 3"/50 dual purpose gun mount
  • Propulsion: Two 1,800bhp Atlas diesel engines, two shafts.
    Click on thumbnail
    for full size image
    Size Image Description Source
    USS Cythera (PY 31)
    Cythera 49k . .
    Cythers 41k
    MV Abril
    Cythera 38k c. October 1946
    Anchored in Brooklyn’s Gowanus Canal before undergoing repairs
    Cythera 196k .
    Cythera 56k
    MV Ben Hecht
    Cythera 23k 8 March 1947
    Being intercepted by British destroyer HMS Chieftain (R 36)
    INS Maoz (K 24)
    Cythera 149k Italian 76-mm gun from INS Maoz (K-24) in the Clandestine Immigration and Naval Museum, Haifa, Israel .
    Cythera 147k
    Motor Yacht Rossy One
    Cythera 88k . .

    View the Cythera (PY 31)
    DANFS History entry located on the Naval History and Heritage Command Website
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    This page created by Gary P. Priolo and maintained by Tom Bateman
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