What is a black buoy?

Vessels operating on New Hampshire waters must observe these rules when encountering spar buoys. All Black: This buoy marks one side of a well-defined channel. White With Black Top: If heading east or west, go north of this buoy. If heading north or south, go east of this buoy.Click to see full answer. Accordingly, what does black and white buoy mean?GREEN BUOY (CAN): Marks the left side of the channel when travelling upstream. BLACK & WHITE VERTICAL STRIPES: Marks the center of the channel. Pass closely on either side.Additionally, what are the different types of buoys? These road signs on the water are made up of five buoy types- cardinal, lateral,isolated danger, special and safe water marks. These buoys and marks indicate where safe water lies and where you should navigate safely within a channel. Also, what do the buoy colors mean? Port hand buoys are green and starboard hand buoys are red. They show which side of a channel is safest to travel; accordingly, they mark channels or hazards. Generally, green buoys must be passed on the left side of a craft heading upstream, i.e., against the current.What do lake buoys mean?The navigation buoys and lake markers assist watercraft operators by directing traffic, marking channels, regulating speed and denoting unsafe areas.