33 CFR § 101.310 - Additional communication devices.
---identifier: "/us/cfr/t33/s101.310"source: "ecfr"legal_status: "authoritative_unofficial"title: "33 CFR § 101.310 - Additional communication devices."title_number: 33title_name: "Navigation and Navigable Waters"section_number: "101.310"section_name: "Additional communication devices."chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"subchapter_number: "H"subchapter_name: "MARITIME SECURITY"part_number: "101"part_name: "MARITIME SECURITY: GENERAL"positive_law: falsecurrency: "2026-03-24"last_updated: "2026-03-24"format_version: "1.1.0"generator: "[email protected]"authority: "46 U.S.C. 70101-70104 and 70124; Executive Order 12656, 3 CFR, 1988 Comp., p. 585; 33 CFR 1.05-1, 6.04-11, 6.14, 6.16, and 6.19; Department of Homeland Security Delegation No. 00170.1, Revision No. 01.4."regulatory_source: "USCG-2003-14792, 68 FR 39278, July 1, 2003, unless otherwise noted."cfr_part: "101"---
Identifier
/us/cfr/t33/s101.310
Currency
2026-03-24
Positive Law
No
Updated
2026-03-24
Chapter
Coast Guard, Department of Homeland Security
Authority
46 U.S.C. 70101-70104 and 70124; Executive Order 12656, 3 CFR, 1988 Comp., p. 585; 33 CFR 1.05-1, 6.04-11, 6.14, 6.16, and 6.19; Department of Homeland Security Delegation No. 00170.1, Revision No. 01... 46 U.S.C. 70101-70104 and 70124; Executive Order 12656, 3 CFR, 1988 Comp., p. 585; 33 CFR 1.05-1, 6.04-11, 6.14, 6.16, and 6.19; Department of Homeland Security Delegation No. 00170.1, Revision No. 01.4.
# 101.310 Additional communication devices.(a) *Alert Systems.* Alert systems, such as the ship security alert system required in SOLAS Chapter XI-2, Regulation 6 (Incorporated by reference, see § 101.115), may be used to augment communication and may be one of the communication methods listed in a vessel or facility security plan under part 104, 105, or 106 of this subchapter.(b) *Automated Identification Systems (AIS).* AIS may be used to augment communication, and may be one of the communication methods listed in a vessel security plan under part 104 of this subchapter. See 33 CFR part 164 for additional information on AIS device requirements.