A power-driven vessel under way is required to sound one prolonged blast every 2 minutes. This signal indicates its presence and is meant to alert other vessels, especially in restricted visibility conditions. The prolonged blast lasts for about four to six seconds.
One prolonged blast should be sounded every two minutes.
one prolonged blast
one prolonged blast
One prolonged blast should be sounded every two minutes.
One prolonged blast should be sounded every two minutes.
one prolonged blast every 2 minutes
In restricted visibility, a power-driven vessel under way is required to sound one prolonged blast every 2 minutes. This signal is used to indicate the vessel's position and to alert other vessels in the vicinity. The prolonged blast lasts for about four to six seconds.
one prolonged blast
one prolonged blast
one prolonged blast
One prolonged blast
one prolonged blast