---
kind: "section"
citation: "46 C.F.R. § 144.160"
title: "46"
number: "144.160"
heading: "Marking."
url: "https://uscodex.org/cfr/46/144.160"
---

# §144.160. Marking.

- (a) The hull of each documented vessel must be marked as required by [part 67](/cfr/46/part67.md) of this chapter.
- (b) The hull of each undocumented vessel must be marked with its name and hailing port.
- (c) A vessel complying with either [§ 144.300(a)](/cfr/46/144.300.md?p=a) or [§ 144.305](/cfr/46/144.305.md) must have draft marks that meet the requirements of [§ 97.40-10](/cfr/46/97.40-10.md) of this chapter.
- (d) Each vessel assigned a load line must have the load line marks and the deck line permanently scribed or embossed as required by subchapter E of this chapter.
- (e) Each watertight door and watertight hatch must be marked on both sides in clearly legible letters at least 25 millimeters (1 inch) high: “WATERTIGHT DOOR—KEEP CLOSED” or “WATERTIGHT HATCH—KEEP CLOSED”.
- (f) Each escape hatch and emergency exit used as means of escape must be marked on both sides in clearly legible letters at least 50 millimeters (2 inches) high: “EMERGENCY EXIT, KEEP CLEAR”.

## Notes

### Authority

Authority: 46 U.S.C. 3103, 3301, 3306, 3308, 3316, 8104, 8904; 33 CFR 1.05; DHS Delegation 00170.1, Revision No. 01.2.

### Source

Source: USCG-2006-24412, 81 FR 40101, June 20, 2016, unless otherwise noted.