CFR › Title 46 › Part 160 › §160.174-746 CFR §160.174-7Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)General. A thermal protective aid is approved by the Coast Guard under the procedures in subpart 159.005 of this chapter.(b)Approval testing. Each approval test must be conducted in accordance with § 160.174-17.