Sound Signals - Cockpit Card

Side One - Vessels in sight of one another.

Power-driven vessels - Manoeuvring and Warning Signals
Power-driven vessels in a narrow channel

Side Two - Fog Signals (Day or Night).

Printed using light-fast ink and encapsulated with a heavy duty plastic for cockpit use and abuse. 

Great for Cockpit use.
Ideal for training and instructional purposes.
Handy reference for anyone on-board.