3.3 navigating Buoys

Bifurcation Buoys

Bifurcation buoys space lateral device buoys that indicate the junction that channels. They have actually three alternative stripes of red and green and also the peak stripe suggests the location of the preferred, or main, channel.

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In the diagram on page 22, the bifurcation buoy has a red top. Utilizing the rule, Red best Returning, that means if you great to follow the desired channel in this case, the bifurcation buoy have to pass friend on the right.

Fairway Buoys

Fairway buoys have actually one upright red stripe and one vertical white stripe. The red stripe is top top the side of the channel where you would discover the red buoys.

Day Beacons


Day Beacons usage the same colours as the Lateral System, however in one instance may substitute black color for green. They can be channel and danger mite or bifurcation markers, yet are usually channel, or danger markers.

They are not lighted and are for day-time usage only.

A port hand day beacon, which has a black color or environment-friendly square, centred top top a white background with a green reflective border, clues the harbor hand side of the channel or a danger and must be kept on the harbor side as soon as proceeding upstream. If numbered, the number will certainly be odd and also of a reflective material.


A starboard hand job beacon, which has a red triangle centred top top a white background v a red reflective border, clues the starboard hand side of the channel or a danger and must be retained on the starboard side when proceeding upstream.


Ranges consist of of two markers, upside under to each other with one well in prior of the other. The front marker is lower than the rear marker.

They provide a recommended track for navigators as soon as both marks room in line. The operator will view one mite on height of the other.

Special objective Buoys

There room a number of special objective buoys the mark every little thing from anchorages to swimming areas to no-wake zones and also danger areas.

Pleasure craft operators must discover to identify these buoys and know what they mean.

They space depicted and also explained in the diagrams that follow.

Keep out Buoys


Keep the end Buoys mark an area where boating is prohibited. They space white through two horizontal orange bands and also an orange cross within an orange diamond on two opposite sides. If they lug a light, the light is a yellow flashing(Fl) 4 seconds, light.


Control Buoys mark an area whereby boating is restricted. Lock may show such points as speed limits. They space white v two horizontal orange bands and an orange circle on 2 opposite sides. Inside the orange circles will be a black figure or prize indicating the restriction. If they carry a light, the light is a yellow flashing (Fl) 4 seconds, light.

Hazard Buoys mark random dangers such as rocks and shoals. They space white v two horizontal orange bands and also an orange diamond on 2 opposite sides. If they bring a light, the irradiate is a yellow flashing (Fl) 4 seconds, light.

Information Buoys save on computer information, by indigenous or symbols, of attention to mariners, such as directions to marinas. They room white with two horizontal orang bands and an orange square on two opposite sides. If they bring a light, the irradiate is a yellow flashing (Fl) 4 seconds, light.

Swimming Buoys mark th perimeter of a swim area. They are white. If they lug a light, the light is a yellow flashing (Fl) four seconds, light.

Posted Command signs may it is in encountered indigenous time come time. Lock will encompass warnings such together No wake up Zones, No Anchorage Signs, speed Limit Signs, low Head Dam Signs, power Line Hazards and also Pipe heat Hazards.

Cautionary Buoys are supplied to warn mariners of threats such together firing ranges, gyeongju courses, seaplane bases, web traffic separations, underwater structures and areas wherein no safe v channel exists. Yellow in colour they carry an to know mark, or letter. If they have a topmark, that is a solitary yellow \"X\" shape. If lighted, the irradiate a yellow flashing (Fl) 4 seconds light.

The worldwide Code Flag A (Alpha) is a Blue and White flag shown from the watercraft or dock native which diving task is acquisition place.

The precise location that the diver is significant with a white buoy carrying a red flag of not much less than 50 cm square through a white diagonal line stripe extending from the pointer of the hoist to the bottom that the fly. If the is lighted, it has actually a yellow flashing (Fl) (four seconds), light.

All vessel operators need to stay clear and also pass slowly.

Pleasure handmade operators need to take early and also substantial action to avoid locations where these buoys space displayed.


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