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NavSource Online: Patrol Craft/Gunboat/Submarine Chaser Photo Archive

Iolite (PYc-41)

Call sign:
Nan - Xray - Zebra - Peter

Coastal Patrol Yacht:

  • Built 1914 as yacht Florence D by George Lawley and Sons, Neponset, MA
  • Acquired by the Navy 4 September 1942 and converted for Naval service
  • Commissioned USS Iolite (PYc-41), 9 November 1942
  • Decommissioned 17 June 1944 and placed in service
  • Placed out of service 2 October 1944
  • Struck from the Naval Register 14 October 1944
  • Transferred to the War Shipping Administration in September 1945 for disposal and sold
  • Fate unknown.


  • Displacement 200 t.
  • Length 154'
  • Beam 20'
  • Draft 7' 6"
  • Speed 10 kts.

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