Search results
Results from the WOW.Com Content Network
The appropriate lights may also be displayed during the day at times of restricted visibility or other necessary circumstances. [3] Vessels under 7 meters are generally not required to display day shapes even if they are required to display lights at night. [4] A square black flag displayed over the ball may be used as a distress signal. [5]
The minimum visible distance requirements of navigational lights are detailed under this rule. [30] These vary according to the length of the vessel. [ 30 ] For example, for vessels greater than 50 metres in length, the visibility ranges of lights are 6 miles for masthead lights, 3 miles for sidelights, 3 miles for the sternlight, 3 miles for ...
I have removed this passage from Rule 19 (Restricted visibility): General requirement and application of this rule: when a vessel navigating or under way at sea inside or nearby (within audible range 1 to 2 n.m. of fog signal) an area of fog, heavy rain or other causes of restricted visibility; turn on appropriate navigational lights;
Watercraft navigation lights must permit other vessels to determine the type and relative angle of a vessel, and thus decide if there is a danger of collision. In general, sailing vessels are required to carry a green light that shines from dead ahead to 2 points (22 + 1 ⁄ 2 °) abaft [note 1] the beam on the starboard side (the right side from the perspective of someone on board facing ...
The northern lights — light produced when particles from space collide with atoms and molecules in the upper atmosphere centered on Earth’s magnetic pole —are a manifestation of geomagnetic ...
The visibility for viewing will also depend on local weather conditions and city lights. The Northern Lights can be seen Oct. 7 dancing over the beacon at the end of the breakwall in Petoskey ...
The Northern Lights are expected to be visible until Sunday, May 12. Here are some tips for viewing this spectacular light show for yourself. How to see the Northern Lights tonight?
Diagram of cardinal marks as seen during the day, with their light patterns. The lights shown here are configured as "Quick". A cardinal mark is a sea mark (a buoy or other floating or fixed structure) commonly used in maritime pilotage to indicate the position of a hazard and the direction of safe water.