Part 45 — Great Lakes Load Lines
Current through Sep 25, 2026
Authority: 46 U.S.C. 5104, 5108; Department of Homeland Security Delegation No. 0170.1.
Source: CGD 73-49R, 38 FR 12290, May 10, 1973, unless otherwise noted.
Sections
- § 45.1 Purpose.
- § 45.3 Definitions.
- § 45.5 Seasonal application of load lines.
- § 45.9 Seasonal application of load lines for vessels not marked under this part.
- § 45.11 Issue of load line certificate.
- § 45.13 Form of certificate.
- § 45.15 Exemptions.
- § 45.31 Deck line.
- § 45.33 Diamond.
- § 45.35 Seasonal load lines.
- § 45.37 Salt water load lines.
- § 45.39 Marking.
- § 45.51 Types of ships.
- § 45.53 Summer freeboard.
- § 45.55 Freeboard coefficient.
- § 45.57 Correction: Position of deckline.
- § 45.58 Correction: Short superstructure.
- § 45.59 Definitions for superstructure corrections.
- § 45.61 Correction for superstructures and trunks.
- § 45.63 Correction for sheer.
- § 45.65 Excess sheer limitations.
- § 45.67 Sheer measurement.
- § 45.69 Correction for bow height.
- § 45.71 Midsummer freeboard.
- § 45.73 Winter freeboard.
- § 45.75 Intermediate freeboard.
- § 45.77 Salt water freeboard.
- § 45.101 Purpose.
- § 45.103 Structural stress and stability.
- § 45.105 Information supplied to the master.
- § 45.107 Strength of hull.
- § 45.109 Strength of superstructures and deckhouses.
- § 45.111 Strength of bulkheads at ends of superstructures.
- § 45.113 Access openings in bulkheads at ends of enclosed superstructures.
- § 45.115 Bulwarks and guardrails.
- § 45.117 Freeing port area: General.
- § 45.119 Freeing port area: Changes from standard sheer.
- § 45.121 Freeing port area: Changes for trunks and side coamings.
- § 45.123 Freeing port area: Changes for bulwark height.
- § 45.125 Crew passageways.
- § 45.127 Position of structures, openings, and fittings.
- § 45.129 Hull fittings: General.
- § 45.131 Ventilators.
- § 45.133 Air pipes.
- § 45.135 Hull openings at or below freeboard deck.
- § 45.137 Cargo ports.
- § 45.139 Side scuttles.
- § 45.141 Manholes and flush scuttles.
- § 45.143 Hull openings above freeboard deck.
- § 45.145 Hatchway covers.
- § 45.147 Hatchway coamings.
- § 45.149 Machinery space openings.
- § 45.151 Other openings.
- § 45.153 Through-hull piping: General.
- § 45.155 Inlets and discharge piping: Valves.
- § 45.157 Scuppers and gravity drains.
- § 45.159 Special conditions of assignment for type A vessels.
- § 45.171 Purpose.
- § 45.173 Eligible barges.
- § 45.175 Applicable routes.
- § 45.177 Freeboard requirements.
- § 45.179 Cargo limitations.
- § 45.181 Load line exemption requirements for the Burns Harbor and Milwaukee routes.
- § 45.183 Load line requirements for the St. Joseph and Muskegon routes.
- § 45.185 Tow limitations.
- § 45.187 Weather limitations.
- § 45.191 Pre-departure requirements.
- § 45.193 Towboat power requirements.
- § 45.195 Additional equipment requirements for the Muskegon route.
- § 45.197 Operational plan requirements for the Muskegon route.
- Appendix A to Part 45—Load Line Certificate Form