What does Underway mean?
Not at anchor or made fast to the shore or aground.
What is “Making Way’?
Actually means moving through the water
Power-driven vessel under way, less than 50 meters in length.
White light on mast, green and red side lights
Power-driven vessel under way of any length, but vessle of 50 meters in length
Must carry a second white mast light.
Power driven vessel less than 7 meters.
Must show white light.
Tug towing with length of tow 200 meters or less. Tug is less than 50 meters.
Two white mast lights.
Towing vessel seen from astern.
Has a stern light and yellow light.
Tug towing with length of tow greater than 200 meters.
Three white mast lights.
What shape does a tug and tow by day have?
What lights do sailing vessels have under way.
Red and Green side lights and optional mast red and green.
What shape of navigation does a sailing vessel under sail and power exhibit by day?
A vessel not under command, not making way at night has what navigation lights.
Two red mast lights.
A vessel not under command, but making way.
3 red mast lights.
A vessel not under command by day.
2 black balls
A vessel at night restricted by her ability to manoeuvre making way.
Same as if she is at anchor
Red, white, red.
A vessel restricted in her ability to manoeuvre by day.
Ball, diamond, ball.
A vessel at night constrained by her draught.
3 red vertical balls.
A vessel constrained by her draught by day.
Square on mast.
Pilot vessel on duty, under way - at night.
White light over red.
Pilot vessel on duty, at anchor at night.
Whtie over red plus 2 more lights on bow and stern.
Vessel at anchor, if less than 50 meters in length.
Only one all-arond white light is required.
Vessel at anchor by day
Black ball on bow of boat.
Vessel at night aground.
Two red vertical lights
Vessel aground during the day.
3 black balls on mast in vertical line.