HC 33, GRT and NRT

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HC 33, GRT and NRT

Postby cwclytn » Sat May 05, 2018 3:08 pm

Trying to register our HC 33 in Canada but they want Gross Registered Tonnage and Net Registered Tonnage. Does anyone know these values ?
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Re: HC 33, GRT and NRT

Postby lhallberg » Sat May 05, 2018 9:34 pm

Hello. I don't know the GRT for my 33T off hand but there is a simple formula:

L = Length (not including bowsprit) = 32.75
W = Beam = 11.75
D = Draft plus water line to deck & hull joint = ~7.5
.57 = Factor used for all sailboats when calculating Gross Registered Tonnage

GT = ( L x W x D x .57 )/100 = ~16.5 GRT

That should get you pretty close. For NET Tonnage or more detail see this article: https://www.dco.uscg.mil/Portals/9/DCO% ... 123757-680
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