The <a href="https://en.wikipedia.org/wiki/USCGC_Triumph_(CG_52301)" class="extiw" title="w:USCGC Triumph (CG 52301)">USCGC Triumph (CG 52301)</a>, built in 1935, sank on duty in 1961.
Unknown author<span style="display: none;">Unknown author</span>
<a rel="nofollow" class="external free" href="https://www.uscg.mil/history/cutters/boats/docs/52FootWoodenHulledMLB.pdf">https://www.uscg.mil/history/cutters/boats/docs/52FootWoodenHulledMLB.pdf</a>