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Flashcards in Aids To Navigation Deck (15)
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1

Not Under Command

Red over Red/ball over ball

2

Restricted In Ability To Manuever

Red White Red/ball diamond ball

3

Minesweeper

Three Greens in a Triangle/three balls in a triangle

4

Vessel Constrained By Draft

Three Reds In A Row/ Black Cylinder

5

Fishing

Red Over White

6

Trawling

Green over White

7

Sailing

Red Over Green/Upside down triangle

8

Distress Signals

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.

9

One Prolonged Blast

Approaching a blind bend. Leaving a dock or berth.

10

Five Short Blasts

Doubt or danger signal.

11

Head On. One Short Blast.

I am altering my course to starboard. Passing on port side.

12

Head on. Two Short Blasts

I am altering my course to port.

13

Head on. Three Short Blasts.

I am operating in astern propulsion.

14

Overtaking. One short blast.

Altering course to starboard to overtake vessel ahead.

15

Overtaking. Two Short Blasts.

Overtaking on the port side.