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


Call sign:
Nan - Peter - Oboe - Xray

ex-Iolite (PYc 24)

Coastal Patrol Yacht:

  • Built in 1930 as the yacht Souris by Henry B. Nevins, City Island, NY
  • Acquired by the Navy in 1942 and named Iolite (PYc 24)
  • Reclassified YP-454 when her name was canceled 23 June 1942
  • Transferred to the War Shipping Administration in February 1945
  • Fate unknown.


  • Length 107'
  • Beam 19'.

    Click on thumbnail
    for full size image
    Size Image Description Source
    No image of YP-454 is available at this time

    There is no DANFS history currently available for YP-454
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    This page created and maintained by Joseph M. Radigan
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