The operator of a pleasure craft shall recognize, use or display the following signals to show distress and need of assistance. KNOW AND RECOGNIZE THEM!
Arm signal distress
Arm signal: outstretch your arms on each side and do slow repetitive gestures from top to bottom. (Do not use this technique near a helicopter because this gesture does not mean the same thing to a helicopter pilot);
Emergency position indicating radio beacons (EPIRB): this is used to signal an emergency location.
Signal transmitted by radiotelephony or by any other signal system
S O S
S O S (…---…) in Morse code or possibly using a flashlight
A shot gun or other explosive signal may be fired at intervals of about 1 minute;
Distress flag N and C
Use distress flag N and C from the International Code of Signals;
Multi Star Red Flare
Rockets or shells that shoot up red stars one at a time at short intervals;
A continuous sound with any fog-signalling device;
Piece of orange canvas
A piece of orange canvas with a black square and a black circle;
High intensity white light
A high intensity white light flashed at regular intervals of 50 to 70 times per minute;
Square flag with a ball
A signal consisting of a square flag with a ball or anything resembling a ball.