Are you in search of the answer to the quizlet or boat Ed exam to the concern “which side of a boat has a eco-friendly light in ~ night”, or carry out you just want to enhance your understanding of boating through the correct information to aid keep friend safe?

The side of a watercraft which has a eco-friendly light at night will always be the starboard side. They room designed come be visible to any an additional approaching vessel indigenous head-on or a next angle and also are forced by law.

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So that’s straightforward enough, yet it’s just going to be basic if you have the right to remember which side is which, and also what shade lights go on what side.

I’ve previously blogged some easy methods to psychic port and starboard, but if girlfriend don’t have actually time come click and also read that, here’s a short-cut storage trick.

How come remember which side of a watercraft has a eco-friendly light

The indigenous “port” has 4 letters in it. Words “left” also has 4 letter in it. So, every you should remember is the similarity in order to understand the difference between port and also starboard directions on a watercraft or ship. 

And then to mental which shade goes in which side you have actually this saying: 

There is no RED PORT wine LEFT in the bottle.

Using the last example, the bottom line is the if you have the right to remember one side, in this situation port, you will certainly then recognize that the opposite will use for starboard.

Why red and also green lights are necessary on a boat

Knowing your navigational lights will be an essential to maintaining safe top top the water, through the legislation stating friend must have night-time navigating lights on native sunset to sunrise.

By having the correct lamp on her boat, other vessels will be able to see you, and you have the right to see your to assist avoiding collisions and accidents.

There are four most commonly used various navigational lights required on a watercraft to aid with visibility as soon as darkness has actually fell.

Image native the wonderful website.

Sidelights (aka mix lights)

Also well-known as mix lights, the side red and also green navigation lights are designed come be viewed by various other boats, ships and vessels pull close you.

They are collection up so the they room visible no matter what direction an additional vessel is coming towards you, be it native the left, right, side, rear, or head-on.

A red light will certainly be discovered on the port (left hand) side, and also a eco-friendly light will certainly be uncovered on the starboard (right hand side).


At night, her sternlight have to be shining every the time. It’s put as close together you can acquire it to the stern. All motorboats are forced by law to have actually a sternlight installed.

What color is a sternlight?

It will always be a white light and is set-up to shine at 135 levels from the rear of your boat.

Masthead light

This is one more white light, but this time is set-up come be clearly shows from the forward position and from both sides of the boat. Again, it’s required by regulation on all motorboats who space engine-powered between sunset and sunrise.

If you view a ship in the street that doesn’t have actually a masthead light, then it’s most likely going to it is in a sailboat. 

All-round white light

If her vessel is engine-powered and less 보다 39.4 feet in length, then you have the right to have an all-round white light in place combining a sternlight and masthead light into a single unit.

As with various other navigational lights questioned in this guide, it should be visible from any kind of given suggest on the water.

Once you have actually stopped and anchored down, you deserve to switch off your green and red sidelights and also just have this white irradiate on to store you visible.

Tips because that boating in ~ night

Now that you understand which side of a boat has a eco-friendly light in ~ night, it’s time for a few practical tips on how boat safely in ~ night, utilizing your navigating lights.

If you check out a white irradiate in her path, it means that you have the right to overtake it. The boat with simply the white light on is called the stand-on vessel, therefore you deserve to go past on either harbor or starboard side.If you view a red or green navigation light in your path, it’s your function to it is in the stand-on vessel, an interpretation you let the other watercraft pass safely. Be alert simply in instance the other captain hasn’t checked out you or doesn’t understand the maritime navigational rules.If you see a white and also red irradiate in your path, then it’s your revolve to give means to the other boat. Girlfriend are forced to slow down, keeping speed consistent and stable until the other vessel has passed you. Alternatively, girlfriend are enabled to change direction to the right, and then happen the various other boat.If girlfriend see simply a red light, or just a eco-friendly light, climate it’s probably a sailing watercraft in your course at night. You room the one to give way.If you view a eco-friendly light only in her path, then it could be a flashlight from who in a canoe or kayak size vessel. Watercrafts without motors and engines under 23 feet in length are required by legislation to have a white light seen from all angles so other vessels are conscious of the existence.

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The critical word…

I hope the this has actually helped you to understand much better the rules about night-time navigation lights top top boats, in particular which side of a boat uses a environment-friendly light because that navigation.

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If you space taking a watercraft exam, quizlet, or boating test then i wish you all the lucky in the world. Yet please nothing cheat, make sure you study all the answers and learn the navigational rules off by heart as they can one day save your life.