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A ground stop is an air traffic control procedure that requires all aircraft that fit certain criteria to remain on the ground. This could be airport-specific or perhaps equipment- or airspace-specific, depending on the exact event that caused the ground stop to occur. Downstream effects can occur from a ground stop. It causes flights to be delayed or canceled and planes and flight crew to be unable to reach the location of their next scheduled flight.
A ground stop is an air traffic control measure that slows or halts the flow of aircraft [1] that meet certain criteria, requiring all aircraft of a certain criteria to remain on the ground. Often, the criteria are aircraft inbound to a given airport, where a ground stop is the halting of departing aircraft destined for one particular airport or for a specific geographic area.[ clarification needed ] The criteria could be airport-specific or perhaps equipment- or airspace-specific, depending on the exact event that caused the ground stop to occur. [2] A ground stop does not affect flights en route. [3]
For example, if a ground stop is called for Newark Liberty International Airport, aircraft departing for Newark from other airports will not be given departure clearance until such time that the ground stop in Newark is lifted. This allows, in this example, for Newark to deal with the task at hand before preparing for arriving aircraft once the ground stop is lifted.
Ground stops may occur during an operational event (e.g., a computer outage), a thunderstorm or other weather concerns (e.g., due to the danger of wind shear or hail), or another hazard.
A ground stop can have cascading effects on flight schedules. Flights that have yet to depart may be delayed or canceled by the airline. Additionally, pilots and flight crew may be unable to reach their assigned aircraft on time, leading to further disruptions. As a result, subsequent flights may also be delayed or canceled due to crew members being unavailable. [4]
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