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Posted by Ralph Wood on January 18, 2025, 13:33:48, in reply to "But not the length?"
Navy fact sheet:
https://www.navsea.navy.mil/Home/Team-Ships/PEO-Ships/DDG-51/Fact-Sheet/
I am only as good as the sources, and can't find anything much more official.
HHI, the builder, states 66 foot beam (while above link states 59 feet.)
https://hii.com/what-we-do/capabilities/guided-missile-destroyers/arleigh-burke-class/
Two pretty good sources, conflicting info. FAS.org then clarified 59 feet was waterline beam, while 66 feet was overall beam.
Like I said, for draft most sources state 31 feet. A few claim 36 feet. Have found nothing explicitly stating why I am finding two results, official or otherwise. From drawings I have seen, I suspect the deeper draft is the larger ships.
HTH 
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No. Flight I and Flight II are 505 feet in length.
Flight IIA and Flight III are 509.5 feet in length.
Max beam for all is 66 feet. Waterline beam for all is 59 feet.
Draft is listed in most sources as 31 feet, but saw a few claiming 36 feet, and good full hull drawings do show below waterline differences, with the IIAs being deeper draft. So, I suspect the 31 feet is Flight one and II, while 36 feet is IIA and III, but I have not found a source spelling that out.
Sterns of the Flight III were widened about 2 feet per side (four feet overall) to add buoyancy due to the increased weight. However, that flaring has not affected their overall waterline or max beam.
Compare sterns of DDG 112:
https://www.seaforces.org/usnships/ddg/DDG-112_DAT/DDG-112-USS-Michael-Murphy-059.jpg
With DDG 125:
https://www.seaforces.org/usnships/ddg/DDG-125_DAT/DDG-125-USS-Jack-H-Lucas-022.jpg
See how DDG 112 is "more rectangular," while DDG 125 is "more triangular." Previous Message
Cannot find any defined reference.
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