Whistle Signals
One Short Blast - Cross Port to Port (Red to Red)
- Overtaking to starboard
Two Short Blasts - Cross Starboard to Starboard (Green to Green)
- Overtaking to port
Three Short Blasts Engines In Reverse
Five or More Short Blasts Danger Signal
One Long Blast Warning Signal
Whistle Signals
Bridge Signals
Some people may fi nd remembering the whistle signals diffi cult, as
crossing port to port is also the signal used to overtake on the starboard
side, while two whistle signals mean the opposite. It becomes easier
to remember whistle signals when considering your course of travel.
After sounding a whistle once, you intend to alter your course to
starboard, either to avoid a head on collision, or to overtake another
vessel. Sounding two whistle signals suggests an alteration of your
course to port. In response to any whistle signal offered, a response
mimicking the request is required before proceeding.
2-4
Chapter 2
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