Rules of the Road, Rule 35, Sound Signals in Restricted Visibility.
(B) A power driven vessel underway but stopped and making no way through the water shall sound at intervals of not more than two minutes, two prolonged blasts in succession with an interval of about two seconds between them.
One prolonged blast
One prolonged blast
whenever underway
Children under 16 are required to have a Coast Guard approved, properly fitted Personal Flotation Device (PFD) at all times while underway on recreational craft.
under 13
whenever underway
Whenever it is underway
when on board a ski boat that is underway
under 13
None. A vessel underway under normal conditions does not need to make any sound signal.If the vessel ceases to make way it still does not make a sound signal unless special circumstances apply.
None. A vessel underway under normal conditions does not need to make any sound signal.If the vessel ceases to make way it still does not make a sound signal unless special circumstances apply.
One prolonged blast followed two short blasts, every two minutes, not to exceed two minutes. Rule 35-Sound Signals in restricted visibility.