1-1 Knowledge for Rating

Figure 1-01: passing port to port, red to red, passing astern, lookout for first sign

Figure 1-02: red to green passage whether it will pass ownship bow or stern or is overtaking now?

Figure 1-03: find out target relative bearing is changing or not?

Figure 1-04-1: collision risk by target vessel’s distance -1

Figure 1-04-2: collision risk by target vessel’s distance -2

Figure 1-04-3: collision risk by target vessel’s distance -3

Figure 1-05: Target vessel’s relative bearing line is their line of sight

Figure 1-06-1: use deck cargo as reference mark for movement check

Figure 1-06-2: use deck cargo as reference mark for movement check

Figure 1-07: use tanker fixed deck fittings as reference mark for bearing checking

Figure 1-08: from Wikipedia, Horizon: How Far Can You See at Sea? 

Figure 1-09: “below the horizon” How far this ship is?

Figure 1-10: bow wave produced by ship’s propulsion on sea water

Figure 1-11: ship’s wake current aft and white splash fore 

Figure 1-12: ship’s wake current and vessel has no bow wave

Figure 1-13: lookout’s challenge in sunrise and sunset.

Figure 1-14: lost horizon in restricted visibility.

Figure 1-15: Nightfall at sea, Starry night