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  2. Aviation light signals - Wikipedia

    en.wikipedia.org/wiki/Aviation_light_signals

    Air traffic control signal light gun in use at base flight tower. In the case of a radio failure or aircraft not equipped with a radio, or in the case of a deaf pilot, air traffic control may use a signal lamp (called a "signal light gun" or "light gun" by the FAA [1] [2]) to direct the aircraft.

  3. Aviation obstruction lighting - Wikipedia

    en.wikipedia.org/wiki/Aviation_obstruction_lighting

    Aircraft warning lights at the Mannheim telecommunications tower, in the background the bright torchlight of a steam cracker, in the distance warning lights from wind turbines Structure using a white strobe Structure using a Red/White Strobe Closeup of an aircraft warning light on top of a highrise in Changzhou, China Closeup of an aircraft warning light on top a factory facilities Structure ...

  4. Navigation light - Wikipedia

    en.wikipedia.org/wiki/Navigation_light

    A navigation light, also known as a running or position light, is a source of illumination on a watercraft, aircraft or spacecraft, meant to give information on the craft's position, heading, or status. [1] Some navigation lights are colour-coded red and green to aid traffic control by identifying the craft's orientation.

  5. Optical landing system - Wikipedia

    en.wikipedia.org/wiki/Optical_landing_system

    The vertical lights signal whether the aircraft is too high, too low, or at the correct altitude as the pilot descends the glide slope towards the carrier's deck. Other lights give various commands and can be used to require the pilot to abort the landing and "go around."

  6. Signal lamp - Wikipedia

    en.wikipedia.org/wiki/Signal_lamp

    Modern signal lamps produce a focused pulse of light, either by opening and closing shutters mounted in front of the lamp, or by tilting a concave mirror. They continue to be used to the present day on naval vessels and for aviation light signals in air traffic control towers, as a backup device in case of a complete failure of an aircraft's radio.

  7. Aircraft marshalling - Wikipedia

    en.wikipedia.org/wiki/Aircraft_marshalling

    A long exposure of a United States Navy Landing Signalman Enlisted (LSE) directing a SH-60F Sea Hawk to take off using marshalling wands. Despite efforts to standaridize aspects of aviation communication, such as terminology and language, hand signals used to guide aircraft on the ground still vary between various major organizations, such as the International Civil Aviation Organization [3 ...

  8. A Study Proves Stoplights Need a Fourth Color: White

    www.aol.com/lifestyle/study-proves-stoplights...

    Here’s what it signals—and why it makes a ton of sense. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to reach us. Sign in. Mail. 24/ ...

  9. Optical communication - Wikipedia

    en.wikipedia.org/wiki/Optical_communication

    Aviation light signals are used in the case of a radio failure, an aircraft not equipped with a radio, or in the case of a hearing-impaired pilot. Air traffic controllers have long used signal light guns to direct such aircraft. The light gun's lamp has a focused bright beam capable of emitting three different colors: red, white and green ...