33 CFR 87.1 - Need of assistance.

prev | next
§ 87.1 Need of assistance.
The following signals, used or exhibited either together or separately, indicate distress and need of assistance:
(a) A gun or other explosive signal fired at intervals of about a minute.
(b) A continuous sounding with any fog-signaling apparatus;
(c) Rockets or shells, throwing red stars fired one at a time at short intervals;
(d) A signal made by radiotelegraphy or by any other signaling method consisting of the group . . . — — — . . . (SOS) in the Morse Code,
(e) A signal sent by radiotelephony consisting of the spoken word “Mayday”;
(f) The International Code Signal of distress indicated by N.C.
(g) A signal consisting of a square flag having above or below it a ball or anything resembling a ball;
(h) Flames on the vessel (as from a burning tar barrel, oil barrel, etc.);
(i) A rocket parachute flare or a hand flare showing a red light;
(j) A smoke signal giving off orange-colored smoke;
(k) Slowly and repeatedly raising and lowering arms outstretched to each side;
(l) The radiotelegraph alarm signal;
(m) The radiotelephone alarm signal;
(n) Signals transmitted by emergency position-indicating radio beacons;
(o) Signals transmitted by radiocommunication systems, including survival craft radar transponders meeting the requirements of 47 CFR 80.1095.
(p) A high intensity white light flashing at regular intervals from 50 to 70 times per minute.
[CGD 81-007, 47 FR 16174, Apr. 15, 1982, as amended by CGD 89-024, 55 FR 3947, Feb. 6, 1990; CGD 94-011, 63 FR 5732, Feb. 4, 1998]
Beta! The text on the eCFR tab represents the unofficial eCFR text at ecfr.gov.

This section’s status may have changed. It may have been renumbered, reserved, or removed.

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

This list is taken from the Parallel Table of Authorities and Rules provided by GPO [Government Printing Office].

It is not guaranteed to be accurate or up-to-date, though we do refresh the database weekly. More limitations on accuracy are described at the GPO site.

United States Code