1."Diver" means any person who is wholly or partially submerged in the waters of
    the state and is equipped with a face mask and snorkel or underwater breathing
    apparatus.

  2."Underwater breathing apparatus" shall mean any apparatus, whether
    self-contained or connected to a distant source of air or other gas, whereby a
    person wholly or partially submerged in water is enabled to obtain or reuse air
    or any other gas or gases for breathing without returning to the surface of the
    water.

  3."Divers-down flag" shall mean a flag that is either square or rectangular, to
    approximately 4 units high by 5 units long, with a 1-unit diagonal stripe. The
    divers-down flag shall have a white diagonal stripe on a red background. The
    stripe shall begin at the top staff-side of the flag and exted diagonally to the
    opposite lower corner. The flag shall be free-flying and shall be lowered when
    all divers are aboard or ashore. The minimum size shall be 12 by 12 inches.

  4.All divers shall prominently display a divers-down flag in the area in which the
    diving occurs, other than when diving in an area customarily used for swimming
    only.

  5.No diver or group of divers shall display one or more divers-down flags on a
    river, inlet, or navigation channel, except in case of emergency, in a manner
    which shall unreasonably constitute a navigational hazard.

  6.Divers shall make reasonable efforts to stay within 100 feet of the divers-down
    flag on rivers, inlets, and navigation channels.

  7.Any willful violation of this section shall be a misdemeanor of the second
    degree...."

  8.Boaters should stay at least 100 feet away from a diver-down flag.

  9.Divers shall not, except in case of emergency, display the divers-down flag in
    an area which would constitute a navigational hazard.