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An ultra quick light (flashing not less than 160 flashes per minute) with no eclipses.



Related Terms

ULTRA QUICK LIGHT

A navigation light flashing at a rate of not less than 160 flashes per minute.

B-B FRACTION

A mixture of butanes and butenes distilled from a solution of light liquid hydrocarbons.

MOONBOW

A rainbow formed by light from the moon. Colors in a moonbow are usually very difficult to detect. Also called LUNAR RAINBOW.

GLOWING COMBUSTION

A reaction between oxygen or an oxidizer and the surface of a solid fuel so that there is emission of heat and light without a flame. Also known as surface burning.

CRIMP CONNECTER

Light duty compressible fittings used to join low voltage DC circuitry. Available in spade or barrel type male to female configurations.

ALTERNATING GROUP OCCULTING LIGHT

A group occulting light which shows periodic color change

REFLECTING PRISM

A prism that deviates a light beam by internal reflection.

FLASHING LIGHT

A navigation light in which the total duration of light in a cycle is shorter than the total duration of darkness. The term is commonly used for a SINGLE-FLASHING LIGHT, a flashing light in which a flash is regularly repeated at a rate of less then 50 flashes per minute.

ELECTROMAGNETIC WAVES

Waves of associated electric and magnetic fields characterized by variations of the fields. The electric and magnetic fields are at right angles to each other and to the direction of propagation. The waves are propagated at the speed of light and are known as radio (Hertzian) waves, infrared rays, light, ultraviolet rays, X-rays, etc., depending on their frequencies.

LIGHT LIST NUMBER

The sequential number used to identify a navigational light in the light list. This may or may not be the same as the INTERNATIONAL NUMBER, which is an identifying number assigned by the International Hydrographic Organization. The international number is in italic type and is located under the light list number in the list.

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