On power-driven vessels, navigation lights must be on during periods of restricted visibility.
On power-driven vessels, navigation lights must be on during periods of restricted visibility.
On power-driven vessels, navigation lights must be on during periods of restricted visibility.
Lights must be on during periods of restricted visibility
Lights must be on during periods of restricted visibility
one prolonged blast
Navigation lights must be on during periods of restricted visibility.
lights must be on during periods of restricted visibility
The should comply with IRPCS and be on between sunset and sunrise and in restricted visibility
one prolonged blast
one prolonged blast
One Prolonged Blast.