The City of Puerto Vallarta is the government seat of the Municipality of Puerto Vallarta which comprises the city as well as population centers outside of the city extending from Boca de Tomatlan tomatlÃ¡n to The nayarit. border
1 Powered boats less than 7m in length and whose maximum speed does not exceed 7 knots, may show an all-round white light instead of sidelights. If practical, these ships should also show sidelights.  Powered boats must show sidelights and either an all-round white light or a stern and masthead light.
If you use non-pyrotechnic signals, you only need one approved for daytime and one night signal. These boats are NOT required to carry visual distress signals (but in many cases it is still a good idea to do so): Boats participating in organized events like races, regattas or marine parades. Open sailboats less than 26' in length that are not equipped with mechanical engine propulsion.