Flashcards in Aids To Navigation Deck (15)
Not Under Command
Red over Red/ball over ball
Restricted In Ability To Manuever
Red White Red/ball diamond ball
Three Greens in a Triangle/three balls in a triangle
Vessel Constrained By Draft
Three Reds In A Row/ Black Cylinder
Red Over White
Green over White
Red Over Green/Upside down triangle
Dye Marker, waving arms, radio telegraph, radio telephone alarm, position indicating radio beacon, smoke, red star cluster, continuous sound, flames on a vessel, gun fired at intervals of 1 Min, SOS, Mayday, Parachute red flare, orange background black ball over square.
One Prolonged Blast
Approaching a blind bend. Leaving a dock or berth.
Five Short Blasts
Doubt or danger signal.
Head On. One Short Blast.
I am altering my course to starboard. Passing on port side.
Head on. Two Short Blasts
I am altering my course to port.
Head on. Three Short Blasts.
I am operating in astern propulsion.
Overtaking. One short blast.
Altering course to starboard to overtake vessel ahead.