Sound Signals Flashcards
0
Q
Prolonged blast
A
4-6 sec in duration
1
Q
Short blast
A
About one second duration
2
Q
One short blast
A
Passing on the port side
3
Q
Two short blasts
A
Passing on the starboard side
4
Q
Three short blasts
A
Backing up
5
Q
One prolonged blast at intervals of not more than two min
A
Used by power driven vessels when underway
6
Q
One prolonged blast two short blasts at intervals of not more than two min
A
Signal used by the sailing vessels
7
Q
Four short
A
Pilot vessel
8
Q
One prolonged blast
A
Warning signal
9
Q
Five or more short rapid blasts
A
To signal danger or signal that you don’t understand or disagree with other boaters intentions