COLREGS_ Sound Signals
Vessel underway and making way in one prolong blast not to exceed every 2 mins.
Restricted Visibility.
Vessel underway and not making way in two prolong blast not to exceed every 2 mins.
Restricted Visibility.
Vessel anchored. 5 seconds of a ringing bell every minute.
Vessel Aground. 3 strikes on the bell, 5 seconds of a ringing bell, 3 strikes of a
bell.
Sound signal of a vessel not under one prolong blast and two short blasts.
command, restricted ability to maneuver,
constrained by draft, sail boat, and towing.
Sound signal of the last tow when manned. one prolonged blast and three short blasts.
1
Vessel underway and making way in one prolong blast not to exceed every 2 mins.
Restricted Visibility.
Vessel underway and not making way in two prolong blast not to exceed every 2 mins.
Restricted Visibility.
Vessel anchored. 5 seconds of a ringing bell every minute.
Vessel Aground. 3 strikes on the bell, 5 seconds of a ringing bell, 3 strikes of a
bell.
Sound signal of a vessel not under one prolong blast and two short blasts.
command, restricted ability to maneuver,
constrained by draft, sail boat, and towing.
Sound signal of the last tow when manned. one prolonged blast and three short blasts.
1
