2/29/2024 0 Comments Atc delayGround stops can occur because of heavy congestion, weather, equipment outages, or catastrophic events. Ground StopsĪ ground stop restricts an aircraft from departing or landing at a specific airport for a period of time. Aircraft involved in an Airspace Flow Program can expect a possibly delayed departure time, in-air holding, arrival sequencing (delay vectors or assigned fix-crossing times), or in-air reroutes. Departing aircraft receive an EDCT when flow management is in effect. Airspace Flow ProgramsĪTC flow programs are traffic management programs that minimize delays due to weather or other expected occurrences like construction. GAAP programs assign landing slots to aircraft in an effort to spread out arrival times and minimize delays during high-traffic times. The EDCT for an aircraft is assigned by ATC and may be the same as the requested (filed) departure time (often the case for scheduled aircraft like airlines) or may be hours later, depending on the cause of the delay and how many aircraft are in the system.Ī common GDP called a General Aviation Airport Program (GAAP) will often be in place at airports during high-profile events like the Super Bowl. All aircraft flying into an airport that has a GDP in place are assigned an Expect Departure Clearance Time (EDCT) and must depart within five minutes of that designated time. Ground Delay Programs (GDP) exist to prevent aircraft from departing too soon if there is a delay at the arrival airport. Here are some of the most common types: Ground Delay Programs (GDP) There are also expected runway closures for maintenance and, in less common situations, unexpected runway closures for things like an aircraft mishap. There are weather delays, recurring “high traffic” delays (like rush hour at JFK), even delays for heavy congestion surrounding events (think Teterboro before and after the Super Bowl). The FAA institutes numerous types of delay programs for airplanes on the ground or in the air. What are the types of Air traffic Delays? This time could be the same as the planned departure time, or it might be minutes or even hours after the planned departure. Commercial and private jet pilots can occasionally plan for these delays by getting a “flow time,” or an approved departure time. They might also be relayed by a FAA flight service station when the pilot calls to file a flight plan or get a weather briefing. But this is also where delays can sometimes occur.ĪTC delays are often known in advance and can be viewed on the FAA’s website. ATC will sometimes clear the airplane “as filed” or via another preferred ATC route. This can include special instructions for courses, routes, altitude, and more. Up to 30 minutes before departure, the pilot can call ATC to get a clearance. They may also get a full weather briefing for their route at the same time. Usually, a pilot or dispatcher files an IFR flight plan, online or by phone, with an FAA flight service briefer. Order is necessary, and that means airplanes are at the mercy of ATC instruction at most airports. Communication with ATC is necessary to ensure the positive separation of aircraft and the proper routing for ATC efficiency. To fly in clouds or above 10,000 feet, an IFR flight plan must be filed and accepted by the ATC system. Most business aircraft fly by Instrument Flight Rules (IFR) inside of the air traffic control (ATC) system. How IFR Flight Plans Workįirst, let’s look at how flight plans work. In order to understand how air traffic delays works, an appreciation and awareness for the air traffic control system is in order. Knowledge is power when it comes to minimizing travel delays. Airplane delays are frustrating, especially when the weather outside looks great! Why, then, are there still often issues, even when the skies are clear at both your departing and arrival airports? For the private jet traveler, air traffic control delays can be perplexing, to say the least.
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