Regulations last checked for updates: May 25, 2025

Title 33 - Navigation and Navigable Waters last revised: May 22, 2025
§ 89.9 - Certificate of Alternative Compliance: Contents.

The Chief of the Prevention Division issues the Certificate of Alternative Compliance to the vessel based on a determination that it cannot comply fully with Inland Rules light, shape, and sound signal provisions without interference with its special function. This Certificate includes:

(a) Identification of the vessel as supplied in the application under § 89.5(a)(2);

(b) The provision of the Inland Rules for which the Certificate authorizes alternative compliance;

(c) A certification that the vessel is unable to comply fully with the Inland Rules light, shape, and sound signal requirements without interference with its special function;

(d) A statement of why full compliance would interfere with the special function of the vessel;

(e) The required alternative installation;

(f) A statement that the required alternative installation is in the closest possible compliance with the Inland Rules without interfering with the special function of the vessel;

(g) The date of issuance;

(h) A statement that the Certificate of Alternative Compliance terminates when the vessel ceases to be usually engaged in the operation for which the certificate is issued.

[CGD 80-157, 47 FR 13801, Apr. 1, 1982, as amended by USCG-2018-0874, 84 FR 30878, June 28, 2019]
authority: 33 U.S.C. 2071; 49 CFR 1.46(n)(14)
source: CGD 80-157, 47 FR 13801, Apr. 1, 1982, unless otherwise noted.
cite as: 33 CFR 89.9