when must navigation lights be displayed ?

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https://safeboatingcourse.ca/when-to-use-navigation-lights/

When Must Navigation Lights be Displayed? | Rules for Boaters

When to Use Navigation Lights

Vessels must use their navigation lights when operating in the evening after sunset or early in the morning before sunrise. Navigation lights must also be used during the day when visibility is restricted or reduced. Fog, heavy rain and snow are examples of conditions that can reduce visibility.

https://www.boatus.org/study-guide/navigation/lights/

Navigation Lights : BoatUS Foundation
https://www.boatus.org/study-guide/navigation/lights/
You are required to display the appropriate lights at night or during times of reduced visibility. Navigation lights are used to prevent collisions at night or in times of reduced visibility, and are an essential tool in keeping you and your vessel safe. Nav lights allow you to see other nearby vessels, and allow other vessels to see you.

https://www.railblaza.com/blog/what-navigation-lights-do-i-need/

What are the Rules For Navigation Lights & What Nav Lights …
https://www.railblaza.com/blog/what-navigation-lights-do-i-need/
Navigation Lights A set of lights shown by a ship or aircraft between sunset and sunrise, and in rain and fog, to indicate its position and orientation. Something any skipper needs to know is what Navigation lights are required at night. Links to your local maritime rules at bottom of this blog. Requirements for vessels under 12 metres

https://improvesailing.com/questions/navigation-lights-guide

Boat Navigation Lights Rules: Illustrated Beginners Guide …
https://improvesailing.com/questions/navigation-lights-guide
Masthead light must be visible for three nautical miles, all other lights must have a two nautical mile visibility. Over 65 Feet – Side lights must be separated. May not show a masthead tricolor light.

https://www.mywestshore.com/which-navigation-lights-does-your-boat-need/

Which Navigation Lights Does Your Boat Need? – My Westshore

Which Navigation Lights Does Your Boat Need?

When Must Navigation Lights Be Displayed? Just like your new car needs to have navigation lights, so does your fishing boat. Navigation lights must always be used between sunset and sunrise. It does not matter how light or dark it is during those hours.

https://www.answers.com/Q/When_must_navigation_lights_be_displayed

When must navigation lights be displayed? – Answers
https://www.answers.com/Q/When_must_navigation_lights_be_displayed
Other lights are additional for mist and fog.Elsewhere, the UK for instance, dipped or low beam headlights and tail lights must be displayed when visibility is restricted or between certain hours….

https://www.boat-ed.com/alabama/studyGuide/Common-Navigation-Lights/10100202_26044/

Common Navigation Lights – Boat Ed
https://www.boat-ed.com/alabama/studyGuide/Common-Navigation-Lights/10100202_26044/
Navigation lights help you and other boaters determine which is the give-way vessel when encountering each other at night. These lights must be displayed from sunset to sunrise and during periods of restricted visibility, such as fog. There are four common navigation lights.

https://www.boatersacademy.com/course/study/2.3/navigation-light-requirements/

Study Guide – Chapter 2 – Navigation Light Requirements …
https://www.boatersacademy.com/course/study/2.3/navigation-light-requirements/
So, during night time hours or during times of limited visibility, one must display a white light to avoid collision with other vessels. Navigation Lights for Powered Vessels: If a powerboat is Greater than 39.4 feet (12 meters), but less than 65.6 feet (20 meters), the following standards must be met:

https://www.uscgq.com/question/deck/1/183

Deck – Rules of the Road #183 | U.S. Coast Guard Questions …
https://www.uscgq.com/question/deck/1/183
BOTH INTERNATIONAL & INLAND Navigation lights must be displayed in all weathers from sunset to sunrise. They also __________. A) must be displayed when day signals are being used. B) must be displayed when moored to a pier. C) may be extinguished at night on open waters when no other vessels are in the area. D) may be displayed during daylight.

https://www.flashcardmachine.com/captains-course-rules41100.html

Captain’s Course Rules 41-100 Flashcards
https://www.flashcardmachine.com/captains-course-rules41100.html
BOTH INTERNATIONAL & INLAND Navigation lights must be displayed in all weathers from sunset to sunrise. They also . A. must be displayed when day signals are being used B. must be displayed when moored to a pier C. may be extinguished at night on open waters when no other vessels are in the area D. may be displayed during daylight