Section 35.30-1 - Warning signals and signs-TB/ALL(a)Red warning signals. During transfer of bulk cargo while fast to a dock, a red signal (flag by day and electric lantern at night) shall be so placed that it will be visible on all sides. While transferring bulk cargo at anchor, a red flag only shall be displayed.(b)Warning sign at gangway. A sign shall be displayed to warn persons approaching the gangway, while a vessel is moored or anchored unless it is empty and gas-freed. The sign shall state in letters not less than 2 inches high substantially as follows: Warning
No open lights.
No smoking.
No visitors.
(c)Warning sign in radio room. A sign shall be placed in radio room warning against the use of radio equipment during transfer of Grade A, B, or C liquids, except by permission of senior deck officer.(e) Additional placards or signs required in connection with the movement of certain open hopper type barges are described in § 35.01-45 .CGFR 65-50, 30 FR 16704, Dec. 30, 1965, as amended by CGFR 70-143, 35 FR 19905, Dec. 30, 1970; CGD 73-96, 42 FR 49024, Sept. 26, 1977; CGD 73-243, 45 FR 18000, Mar. 20, 1980