CFR › Title 33 › Part 149 › §149.32733 CFR §149.327Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkAll work vests and anti-exposure (deck) suits on a manned deepwater port must be of a buoyant type approved under:(a)Approval series 160.053 as a work vest;(b)Approval series 160.053 or 160.153 as an anti-exposure suit; or(c)Approval series 160.077 as a commercial hybrid personal flotation device.