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  2. Glide path - Wikipedia

    en.wikipedia.org/wiki/Glide_path

    Emission patterns of the localizer and glide slope signals Glide slope station for runway 09R at Hannover Airport in Germany. In aviation, instrument landing system glide path, commonly referred to as a glide path (G/P) or glide slope (G/S), is "a system of vertical guidance embodied in the instrument landing system which indicates the vertical deviation of the aircraft from its optimum path ...

  3. Instrument landing system - Wikipedia

    en.wikipedia.org/wiki/Instrument_landing_system

    ILS uses two directional radio signals, the localizer (108 to 112 MHz frequency), which provides horizontal guidance, and the glideslope (329.15 to 335 MHz frequency) for vertical guidance. The relationship between the aircraft's position and these signals is displayed on an aircraft instrument , often additional pointers in the attitude ...

  4. Transponder landing system - Wikipedia

    en.wikipedia.org/wiki/Transponder_Landing_System

    TLS uses the existing Mode 3/A/C/S transponder equipment to determine the aircraft's position. It then transmits the correct signal on the same frequencies used for the current ILS system. All the pilot is required to do is wait for clearance from ATC for the TLS approach and then tune an ILS receiver to the appropriate frequency.

  5. Instrument landing system localizer - Wikipedia

    en.wikipedia.org/wiki/Instrument_landing_system...

    Localizer as component of an ILS (KMEZ runway 27, Mena, Arkansas) Emission patterns of the localizer and glide path signals. An instrument landing system localizer, or simply localizer (LOC, [1] or LLZ prior to 2007 [2]), is a system of horizontal guidance in the instrument landing system, which is used to guide aircraft along the axis of the runway.

  6. Optical landing system - Wikipedia

    en.wikipedia.org/wiki/Optical_landing_system

    The mirror landing aid was invented by Nicholas Goodhart. [2] It was tested on the carriers HMS Illustrious and HMS Indomitable before being introduced on British carriers in 1954 and on US carriers in 1955. The mirror landing aid was a gyroscopically controlled concave mirror on the port side of the flight deck. On either side of the mirror ...

  7. Marker beacon - Wikipedia

    en.wikipedia.org/wiki/Marker_beacon

    It is typically located about 1 NM (1.85 km) inside the point where the glideslope intercepts the intermediate altitude and transmits a 400 Hz tone signal on a low-powered (3 watts), 75 MHz carrier signal. Its antenna is highly directional, and is pointed straight up. The valid signal area is a 2,400 ft (730 m) × 4,200 ft (1,280 m) ellipse (as ...

  8. Microwave landing system - Wikipedia

    en.wikipedia.org/wiki/Microwave_landing_system

    The microwave landing system (MLS) is an all-weather, precision radio guidance system intended to be installed at large airports to assist aircraft in landing, including 'blind landings'. [1] MLS enables an approaching aircraft to determine when it is aligned with the destination runway and on the correct glidepath for a safe landing.

  9. AN/MRN-1 - Wikipedia

    en.wikipedia.org/wiki/AN/MRN-1

    The transmitter, BC-751-A has a frequency range from 108.3 to 110.3 Mc. power output is 25 Watts. AN/CRN-3 is the same equipment except without the K-53 truck, thereby making it air transportable, components are housed in a tent. The emission patterns of the localizer and glideslope signals.