§117.21. Signalling for an opened drawbridge.
33 C.F.R. § 117.21
When a vessel approaches a drawbridge with the draw in the open position, the vessel shall give the opening signal. If no acknowledgment is received within 30 seconds, the vessel may proceed, with caution, through the open draw.
Notes, amendments, and revision history
Authority
Authority: 33 U.S.C. 499; 33 CFR 1.05-1; and DHS Delegation No. 00170.1, Revision No. 01.4.
Source
Source: CGD 82-025, 49 FR 17452, Apr. 24, 1984, unless otherwise noted.