NAVIGATION TRAINING Section 7 Buoyage

Table of Contents Section 1Types of Navigation Section 2 Terrestial Coordinates Section 3 Charts Section 4 Compass Section 5 Nautical Publications Section 6 Navigational Aids Section 7 Buoyage Section 8 Position Lines and Fixes Section 9 Tides Section 10 Currents Section 11 Weather

Buoyage Caution Navigation buoys are not accurate navigation points, as they are pushed in the direction of the tidal flow The lower the height (rise) of tide the more the buoy itself can move away from the charted position.

Buoy in Fog What action do you take seeing this? Buoyage

Cardinal System of Buoyage Uniform Cardinal System of Buoyage Method: Indicate the approximate true bearing of safe water from the danger it marks. Uses: Mark offshore rocks, shoals, and islets. Mark dangers in and near the open sea. Buoyage

Lateral Systems In Canada we use Lateral System ⇒ “IALA B” Red buoys mark the starboard (right) side of channels (Red Right Return) When returning from seaward Green buoys mark the port (left) side of channels Buoyage

Lateral Systems Direction Of Buoyage - is that taken when approaching a harbour from seaward or along coasts, the direction determined by buoyage authorities, normally clockwise around land masses. Chart symbol showing direction of buoyage where not obvious Buoyage

CharacteristicsPort HandStarboard HandSafe WaterPreferred Channel ColourGreenRedRed/White vertical stripes Green/Red horizontal bands ShapeCan or combination Nun or Combination Sphere or combination Can, Nun or combination MarkingsOdd numbersEven numbersMay be lettered Light characteristics Any [except Gp. FL (2+1)] Mo. (A), Iso, Occ, L.ft. 10s Gp. Fl. (2+1) Light colourGreenRedWhiteRed or Green Buoyage

Port Channel BuoyStarboard Channel Buoy Buoyage

Bifurcation Channel Buoys Buoyage

What’s This? Buoyage

Channel Markers Buoyage

Special Marker Buoys Buoyage