46 CFR § 35.30-1 - Warning signals and signs—TB/ALL.

---
identifier: "/us/cfr/t46/s35.30-1"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 35.30-1 - Warning signals and signs—TB/ALL."
title_number: 46
title_name: "Shipping"
section_number: "35.30-1"
section_name: "Warning signals and signs—TB/ALL."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "D"
subchapter_name: "TANK VESSELS"
part_number: "35"
part_name: "OPERATIONS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "33 U.S.C. 1321(j); 46 U.S.C. 3306, 3703, 6101, 70011, 70034; 49 U.S.C. 5103, 5106; Executive Order 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; Executive Order 12777, 56 FR 54757, 3 CFR, 1991 Comp., p. 351; DHS Delegation No. 00170.1, Revision No. 01.4."
regulatory_source: "CGFR 65-50, 30 FR 16704, Dec. 30, 1965, unless otherwise noted."
cfr_part: "35"
---


# 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.

(d) [Reserved]

(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]