Although possession of the Rules and Regulations is not required, they may be obtained from the Superintendent of Documents, U.S. Government Printing Office, Washington, DC 20402.
Safety is the primary function of a radiotelephone aboard a boat.
If there is no answer, you must wait 2 minutes before repeating the call. Be considerate of others, they may want to use the line. Do not call the US Coast Guard. If a check is really necessary, call a vessel that you know is listening. Radio checks are prohibited on Channel 16.