Versions of 33 USC 453 - Regulations for navigation of Ambrose Channel; exclusion of tows and sailing vessels on LawServer 2024 33 USC 453 – Regulations for navigation of Ambrose Channel; exclusion of tows and sailing vessels 2023 33 USC 453 – Regulations for navigation of Ambrose Channel; exclusion of tows and sailing vessels 2022 33 USC 453 – Regulations for navigation of Ambrose Channel; exclusion of tows and sailing vessels 2021 33 USC 453 – Regulations for navigation of Ambrose Channel; exclusion of tows and sailing vessels 2020 33 USC 453 – Regulations for navigation of Ambrose Channel; exclusion of tows and sailing vessels 2018 33 USC 453 – Regulations for navigation of Ambrose Channel; exclusion of tows and sailing vessels 2017 33 USC 453 – Regulations for navigation of Ambrose Channel; exclusion of tows and sailing vessels 2015 33 USC 453 – Regulations for navigation of Ambrose Channel; exclusion of tows and sailing vessels 2014 33 USC 453 – Regulations for navigation of Ambrose Channel; exclusion of tows and sailing vessels 2013 33 USC 453 – Regulations for navigation of Ambrose Channel; exclusion of tows and sailing vessels 2012 33 USC 453 – Regulations for navigation of Ambrose Channel; exclusion of tows and sailing vessels 2010 33 USC 453 – Regulations for navigation of Ambrose Channel; exclusion of tows and sailing vessels