View all text of Subpart 98.30 [§ 98.30-1 - § 98.30-39]
§ 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) and (b) of this section must be visible on all sides of the vessel.