33 CFR 87.3 : Navigation And Navigable Waters (Section 1.01-1 To Parts 404-499) — Coast Guard, Department Of Homeland Security (Continued) (Parts 1 - 199) (Section 1.01-1 To Parts 188-199) — Inland Navigation Rules (Parts 83 - 90) (Section 83.01 To Section 90.7) — Annex Iv: Distress Signals (Section 87.1 To Section 87.5) — Exclusive use.
31 Dec 2014
The use or exhibition of any of the foregoing signals except for the purpose of indicating distress and need of assistance and the use of other signals which may be confused with any of the above signals is prohibited.