11/28/2018: Marine Safety Center review of rigid hull inflatable vessels

The MTN provides an alternative design standard equivalent to certain regulatory requirements found in 46 CFR Subchapters T and S for rigid hull inflatable and rigid hull foam collar small passenger vessels.

12/8/2017: New Marine Technical Note – Guidance on verification for Subchapter M towing vessels

MTN 1-17 identifies the process for requesting and documenting verification of compliance with design standards, and cancels MSC Bulletin 04-16.