When a vessel is in distress and requires assistance she shall use or exhibit the signals described in Annex IV to these Rules (33 CFR part 87).
authority: 33 U.S.C. 2071; DHS Delegation No. 00170.1, Revision No. 01.3
source: USCG-2012-0102, 79 FR 37912, July 2, 2014, unless otherwise noted.
cite as: 33 CFR 83.37