46 CFR 169.231
§ 169.231 Definitions relating to hull examinations.
United States · 46 CFR — Shipping · Status: effective
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- Citation
- 46 CFR 169.231, § 169.231 Definitions relating to hull examinations, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/230149
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Full text
As used in the part—
(a) Drydock examination means hauling out a vessel or placing a vessel in a drydock or slipway for an examination of all accessible parts of the vessel's underwater body and all through-hull fittings, sea chests, sea valves, sea strainers, and valves for the emergency bilge suction.
(b) Underwater survey means the examination of the vessel's underwater hull including all through-hull fittings and appurtenances, while the vessel is afloat.
(c) Internal structural examination means an examination of the vessel while afloat or in drydock and consists of a complete examination of the vessel's main strength members, including the major internal framing, the hull plating, voids, and ballast tanks, but not including cargo or fuel oil tanks.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.