33 CFR § 67.10-15 - Approval of sound signals.
---
identifier: "/us/cfr/t33/s67.10-15"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 67.10-15 - Approval of sound signals."
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "67.10-15"
section_name: "Approval of sound signals."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "C"
subchapter_name: "AIDS TO NAVIGATION"
part_number: "67"
part_name: "AIDS TO NAVIGATION ON ARTIFICIAL ISLANDS AND FIXED STRUCTURES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "14 U.S.C. 503, 544; 43 U.S.C. 1333; DHS Delegation No. 00170.1, Revision No. 01.4."
regulatory_source: "CGFR 58-17, 23 FR 3377, May 20, 1958, unless otherwise noted."
cfr_part: "67"
---
# 67.10-15 Approval of sound signals.
(a) The Coast Guard approves a sound signal if:
(1) It meets the requirements for sound signals in § 67.10-1 (a), (b), (c), (d), and (e) when tested under § 67.10-20; or
(2) It is similar to a sound signal which was tested and approved under the provisions of this section and the Coast Guard has approved all variations in design, construction, production, and manufacture from the sound signal tested.
(b) A sound signal that is an identical production model of a sound signal which has been approved under paragraph (a) of this section is a Coast Guard approved sound signal.