The following persons need not comply with Sec. 175.110; however, each must carry on board visual distress signals suitable for night use, selected from the list in Sec. 175.130 or Sec. 175.135, in the number required, between sunset and sunrise:
(a) A person competing in any organized marine parade, regatta, race, or similar event;
(b) A person using a manually propelled boat; or
(c) A person using a sailboat of completely open construction, not equipped with propulsion machinery, under 26 in length.