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AirspaceQuestion 140 of 934

A pilot calls approach control to enter Class C airspace. The controller answers with the pilot's call sign and "standby." What may the pilot do?

  1. Enter the Class C airspace, because two-way radio contact exists
  2. Wait outside until the controller gives an explicit entry clearance
  3. Enter only after setting the transponder to IDENT
  4. Circle outside the airspace until the controller calls again
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Correct answer: Enter the Class C airspace, because two-way radio contact exists

A reply that uses the aircraft call sign, such as "standby," means communication is established.

Source: Aeronautical Information Manual (FAA, Basic with Change 3, 9 July 2026), AIM 3-2-4 Class C Airspace — Entry Requirements, page 182

Practice airspace

Questions last reviewed: 18 October 2026