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  2. Yehudi lights - Wikipedia

    en.wikipedia.org/wiki/Yehudi_lights

    Yehudi lights are lamps of automatically controlled brightness placed on the front and leading edges of an aircraft to raise the aircraft's luminance to the average brightness of the sky, a form of active camouflage using counter-illumination. They were designed to camouflage the aircraft by preventing it from appearing as a dark object against ...

  3. Comparison of YouTube downloaders - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_YouTube_down...

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  4. Any Video Converter - Wikipedia

    en.wikipedia.org/wiki/Any_Video_Converter

    Any Video Converter is a video converter developed by Anvsoft Inc. for Microsoft Windows and macOS. [3] It is available in both a free and paid version. Any Video Converter Windows version won the CNET Downloads 5 star award in 2012.

  5. Optical landing system - Wikipedia

    en.wikipedia.org/wiki/Optical_landing_system

    When the wave-off lights are lit, all other lamps are extinguished. The wave-off lights are operated manually by the LSO. Some (particularly later) optical landing systems include additional lamps: Cut lightsGreen lamps used to signal different things based on where the approaching aircraft is in its approach. Named for its original use in ...

  6. Navigation light - Wikipedia

    en.wikipedia.org/wiki/Navigation_light

    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 ...

  7. Category:Aircraft external lights - Wikipedia

    en.wikipedia.org/wiki/Category:Aircraft_external...

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  8. 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.

  9. Formation light - Wikipedia

    en.wikipedia.org/wiki/Formation_light

    Lockheed Martin F-35 Lightning IIs with green formation lights turned on. A formation light, also known as a slime light, is a type of thin film electroluminescent light that assists aircraft flying in formation in low visibility environments. [1]