---
kind: "section"
citation: "46 C.F.R. § 45.37"
title: "46"
number: "45.37"
heading: "Salt water load lines."
url: "https://uscodex.org/cfr/46/45.37"
---

# §45.37. Salt water load lines.


Each vessel that operates in the salt water of the St. Lawrence River must—

- (a) Be marked with the summer (S), midsummer (MS), intermediate (I) and winter (W) load line marks under [§ 45.77](/cfr/46/45.77.md) for salt water; and
- (b) Be marked with the letters “FW” above the fresh water marks and the letters “SW” above the salt water marks as described in figure 2.

## Notes

### Authority

Authority: 46 U.S.C. 5104, 5108; Department of Homeland Security Delegation No. 0170.1.

### Source

Source: CGD 73-49R, 38 FR 12290, May 10, 1973, unless otherwise noted.