---
kind: "section"
citation: "46 C.F.R. § 98.30-33"
title: "46"
number: "98.30-33"
heading: "Warning signals."
url: "https://uscodex.org/cfr/46/98.30-33"
---

# §98.30-33. Warning signals.

- (a) If the vessel is moored, no person may transfer to or from a portable tank or IBC a product with a flashpoint of less than 300 °F unless the person in charge displays a—
  - (1) Red flag by day; and
  - (2) **Red electric lantern by night.**
- (b) If the vessel is at anchor, no person may transfer to or from a portable tank or IBC a product with a flashpoint of less than 300 °F unless the person in charge displays a red flag.
- (c) The signal required in paragraphs [(a)](#a) and [(b)](#b) of this section must be visible on all sides of the vessel.

## Notes

### Amendments

[CGD 73-172, 39 FR 22954, June 25, 1974, as amended by USCG-2011-0088, 78 FR 54787, Sept. 6, 2013]

### Source

Source: CGD 73-172, 39 FR 22954, June 25, 1974, unless otherwise noted.

### Authority

Authority: 33 U.S.C. 1903; 46 U.S.C. 3306, 3307, 3703; 49 U.S.C. App. 1804; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; Department of Homeland Security Delegation No. 0170.1.

### Source

Source: CGFR 65-50, 30 FR 17022, Dec. 30, 1965, unless otherwise noted.

### Amendments

[CGD 73-172, 39 FR 22954, June 25, 1974, as amended by USCG-2011-0088, 78 FR 54787, Sept. 6, 2013]