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ATC: ", I have your clearance, advise when ready to copy".Pilot: " clearance, with, IFR to on request" OR simply " clearance, IFR to ".Pilot: " Danbury Clearance, Cessna One Seven Two Seven Victor at Arrow, Information Alpha, VFR to the west, requesting 4,500".The complexity of the radio call depends upon if the pilot is departing under Visual Flight Rules (VFR) or Instrument Flight Rules (IFR).
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Before calling for a clearance, however, pilots must listen to the Automated Terminal Informatino Service or Automated Surface Observing System (ASOS)/Automated Weather Observing System (AWOS) to receive local weather/NOTAMs as well as the information code.Clearances may, however, be obtained via Flight Service via phone, or radio, approach control, ARTCC, via a relay clearance.Pilots generally obtain their clearance by contacting clearance delivery or ground before engine start.Reading back a clearance implies acceptance unless you reject it and give a reason in favor of receiving an amended clearance.A clearance is not an authorization to deviate from any rule, regulation, or minimum altitude nor to conduct unsafe operations of an aircraft.Clearances are issued based on a prediction of known traffic and known physical airport conditions.An ATC clearance is an authorization for an aircraft to proceed under specified conditions within controlled airspace.Chart Supplement as well as several online sources such as Clearance delivery frequencies can be found in the U.S.Clearance delivery has no control function and is used solely as the name implies, for the delivery of clearances.Where clearance delivery is not a dedicated frequency, ground control absorbs this function.Clearance delivery is established at busy airports to facilitate the delivery of flight instructions without congesting the ground frequency.
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