republic-os/legal/us/code/title-46/chapter-31/section-3105.md

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LegalText	46 U.S.C. § 3105	Electronic charts	us	united_states_code	code_section	46	SHIPPING	31	GENERAL	3105	46 U.S.C. § 3105	current	119-100	2026-06-26	official	https://uscode.house.gov/download/releasepoints/us/pl/119/100/xml_usc46@119-100.zip	/us/usc/t46/s3105	data/legal/raw/us/code/title-46/usc46.xml	0440a50c7854ba037d3f493ef27f65dd4d77a7dcfdf4f6d4a60a18e7457ad6c5	eb1331aa3c08ed87231a3606d86b30d1b5942cdf8542f6a3df8ac1d66e86057f	4fd96dd58290e32b27822d80170baf82403f405106b207f41dfcb741dfe56d98	2026-07-04	official	legal us-code

46 U.S.C. § 3105 - Electronic charts

Text

(a) System Requirements.— (1) Electronic charts in lieu of marine charts, charts, and maps.— Subject to paragraph (2), the following vessels, while operating on the navigable waters of the United States, equipped with and operating electronic navigational charts that are produced by a government hydrographic office or conform to a standard acceptable to the Secretary, shall be deemed in compliance with any requirement under title 33 or title 46, Code of Federal Regulations, to have a chart, marine chart, or map on board such vessel:

(A) A self-propelled commercial vessel of at least 65 feet in overall length.

(B) A vessel carrying more than a number of passengers for hire determined by the Secretary.

(C) A towing vessel of more than 26 feet in overall length and 600 horsepower.

(D) Any other vessel for which the Secretary decides that electronic charts are necessary for the safe navigation of the vessel.

(2) Exemptions and waivers.— The Secretary may—

(A) exempt a vessel from paragraph (1), if the Secretary finds that electronic charts are not necessary for the safe navigation of the vessel on the waters on which the vessel operates;

(B) waive the application of paragraph (1) with respect to operation of vessels on navigable waters of the United States specified by the Secretary, if the Secretary finds that electronic charts are not needed for safe navigation on those waters; and

(C) permit vessels described in subparagraphs (A) through (D) of paragraph (1) that operate solely landward of the baseline from which the territorial sea of the United States is measured to utilize software-based, platform-independent electronic chart systems that the Secretary determines are capable of displaying electronic navigational charts with necessary scale and detail to ensure safe navigation for the intended voyage.

(b) Limitation on Application.— Except pursuant to an international treaty, convention, or agreement, to which the United States is a party, this section shall not apply to any foreign vessel that is not destined for, or departing from, a port or place subject to the jurisdiction of the United States and that is in—

(1) innocent passage through the territorial sea of the United States; or

(2) transit through the navigable waters of the United States that form a part of an international strait.

(Added and amended Pub. L. 115–282, title IV, § 402(a)(1), Dec. 4, 2018, 132 Stat. 4263, 4264; Pub. L. 116–283, div. G, title LVXXXIII [LXXXIII], § 8301, Jan. 1, 2021, 134 Stat. 4691.)

Notes

Editorial Notes

Codification Section, as added and amended by Pub. L. 115–282, is based on Pub. L. 92–340, § 4A, as added Pub. L. 108–293, title IV, § 410, Aug. 9, 2004, 118 Stat. 1045, which was formerly classified to section 1223a of Title 33, Navigation and Navigable Waters, before being transferred to this chapter and renumbered as this section.

Amendments2021—Subsec. (a)(1). Pub. L. 116–283, § 8301(a), amended par. (1) generally. Prior to amendment, text read as follows: “Subject to paragraph (2), the following vessels, while operating on the navigable waters of the United States, shall be equipped with and operate electronic charts under regulations prescribed by the Secretary of the department in which the Coast Guard is operating: “(A) A self-propelled commercial vessel of at least 65 feet overall length. “(B) A vessel carrying more than a number of passengers for hire determined by the Secretary. “(C) A towing vessel of more than 26 feet in overall length and 600 horsepower. “(D) Any other vessel for which the Secretary decides that electronic charts are necessary for the safe navigation of the vessel.” Subsec. (a)(2)(C). Pub. L. 116–283, § 8301(b), added subpar. (C). 2018—Pub. L. 115–282, § 402(a)(1)(A), transferred section 4A of Pub. L. 92–340 to this chapter and renumbered it as this section. See Codification note above. Subsec. (b). Pub. L. 115–282, § 402(a)(1)(B), added subsec. (b) and struck out former subsec. (b). Prior to amendment, text read as follows: “The Secretary of the department in which the Coast Guard is operating shall prescribe regulations implementing subsection (a) before January 1, 2007, including requirements for the operation and maintenance of the electronic charts required under subsection (a).”