BOTH INTERNATIONAL & INLAND Which is the duration of each prolonged blast on whistle signals used by a power-driven vessel in fog, whether making way or underway but not making way?
A
about one second
B
two to four seconds
C
four to six seconds
D
eight to ten seconds
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Question 1 / 2066636eeb28f7522a1c51ba7a
Question 1 of 2066636eeb28f7522a1c51ba7a
BOTH INTERNATIONAL & INLAND Which is the duration of each prolonged blast on whistle signals used by a power-driven vessel in fog, whether making way or underway but not making way?
BOTH INTERNATIONAL & INLAND Which is the duration of each prolonged blast on whistle signals used by a power-driven vessel in fog, whether making way or underway but not making way?