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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. 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 ...

  4. 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.

  5. Air-to-ground communication - Wikipedia

    en.wikipedia.org/wiki/Air-to-ground_communication

    The transponder acts as an identification tool for aircraft allowing ATC towers to immediately recognize the identity of each plane. They work by recognizing radar frequencies as they interact with the plane. The transponder alerted by the radar responds by sending a signal of its own back to the Tower, which identifies the aircraft.

  6. List of United States Air Force reconnaissance aircraft

    en.wikipedia.org/wiki/List_of_United_States_Air...

    O-57 Grasshopper at the National Museum of the United States Air Force A de Havilland Mosquito PR Mk XVI (F-8) of the 654th BS, Eighth Air Force at RAF Watton, 1944 North American B-25D (F-10) Mitchell photographic reconnaissance and mapping aircraft North American P-51C-5-NT Mustang (F-6C) Serial No 42-103368 of the 15th TRS at St. Dizler Airfield, France, Autumn 1944.

  7. Multiservice tactical brevity code - Wikipedia

    en.wikipedia.org/wiki/Multiservice_tactical...

    Aircraft is out of or unable to employ active radar missiles. Skunk A radar or visual maritime surface contact whose identity is unknown. Slapshot Directive for an aircraft to employ a range-unknown high-speed anti-radiation (type/bearing) missile (HARM) against a specified threat at the specified bearing. Slide

  8. Flare - Wikipedia

    en.wikipedia.org/wiki/Flare

    Illumination flares being used during military training exercises Flares being fired from a ship during a fleet review. A flare, also sometimes called a fusée, fusee, or bengala, [1] [2] bengalo [3] in several European countries, is a type of pyrotechnic that produces a bright light or intense heat without an explosion.

  9. 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 Structure using high-intensity white lights and a medium-intensity white strobe