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  2. IATA delay codes - Wikipedia

    en.wikipedia.org/wiki/IATA_delay_codes

    An aircraft held on the ground incurs costs, consequently airlines plan operations to minimise ground time. It is common practice for airlines and aircraft ground handling to have contracts based on a bonus–malus system, penalising the causative agent for delays caused. Delay code properties cover nine category sets for delay.

  3. Airport surveillance and broadcast systems - Wikipedia

    en.wikipedia.org/wiki/Airport_surveillance_and...

    The Airport Movement Area Safety System (AMASS) visually and aurally prompts tower controllers to respond to situations which potentially compromise safety. AMASS is an add-on enhancement to the host Airport Surface Detection Equipment Model 3 (ASDE-3) radar that provides automated aural alerts to potential runway incursions and other hazards.

  4. List of transponder codes - Wikipedia

    en.wikipedia.org/wiki/List_of_Transponder_Codes

    Non-discrete mode A code reserved use in mode S radar/ADS-B environment where the aircraft identification will be used to correlate the flight plan instead of the mode A code. [1] US: Used exclusively by ADS-B aircraft to inhibit mode 3A transmission. [3] US: Non-discrete code assignments in accordance with FAA Order JO 7110.65, 5-2.

  5. Transponder (aeronautics) - Wikipedia

    en.wikipedia.org/wiki/Transponder_(aeronautics)

    Collision avoidance systems have been developed to use transponder transmissions as a means of detecting aircraft at risk of colliding with each other. [ 6 ] [ 7 ] Air traffic control (ATC) units use the term "squawk" when they are assigning an aircraft a transponder code, e.g., "Squawk 7421".

  6. Ground proximity warning system - Wikipedia

    en.wikipedia.org/.../Ground_proximity_warning_system

    A ground proximity warning system (GPWS) is a system designed to alert pilots if their aircraft is in immediate danger of flying into the ground or an obstacle. The United States Federal Aviation Administration (FAA) defines GPWS as a type of terrain awareness and warning system (TAWS). [ 1 ]

  7. Boeing posts $4 billion loss tied to problems with 787 jet - AOL

    www.aol.com/finance/boeing-posts-4-16-billion...

    The aircraft maker said Wednesday, Jan. 26, 2022, that it took a charge of $3.5 billion to cover additional delays related to production problems with its 787 jetliner and compensation for ...

  8. Runway status lights - Wikipedia

    en.wikipedia.org/wiki/Runway_status_lights

    They operate as an additional layer of safety, independent of human-issued air traffic control clearances. [1] The system works by processing traffic position and movement data generated by transponders aboard aircraft and airside ground-vehicles such as aircraft rescue and firefighting (ARFF) units, aircraft tugs, and snow-clearing equipment.

  9. Aviation transponder interrogation modes - Wikipedia

    en.wikipedia.org/wiki/Aviation_transponder...

    Provides the aircraft's pressure altitude and is usually combined with Mode 3/A to provide a combination of a 4-digit octal code and altitude as Mode 3 A/C, often referred to as Mode A and C [2] 4: Provides a 3-pulse reply, delay is based on the encrypted challenge [1] 5: Provides a cryptographically secured version of Mode S and ADS-B GPS ...