---
kind: "section"
citation: "46 C.F.R. § 151.45-9"
title: "46"
number: "151.45-9"
heading: "Signals."
url: "https://uscodex.org/cfr/46/151.45-9"
---

# §151.45-9. Signals.


While fast to a dock, a vessel during transfer of bulk cargo shall display a red flag by day or a red light by night, which signal shall be so placed that it will be visible on all sides. When at anchor, a vessel during transfer of bulk cargo shall display a red flag by day, placed so that it will be visible on all sides. This flag may be metallic.


## Notes

### Authority

Authority: 33 U.S.C. 1903; 46 U.S.C. 3703; Department of Homeland Security Delegation No. 0170.1.

### Source

Source: CGFR 70-10, 35 FR 3714, Feb. 25, 1970, unless otherwise noted.