No person shall anchor, operate, or permit to be anchored, except in case of emergency, or operated a vessel or carry on any prohibited activity in a manner which shall unreasonably or unnecessarily constitute a navigational hazard or interfere with another vessel. Anchoring under bridges or in or adjacent to heavily traveled channels shall constitute interference if unreasonable under the prevailing circumstances. History: s. 4, ch. 63-105; s. 1, ch. 65-361; s. 2, ch. 72-16. Note. Former s. 371.503.