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AirspaceQuestion 176 of 934

A pilot flies directly above Class C airspace at 6,000 feet MSL, inside its lateral boundaries. What equipment is required?

  1. No transponder, as the airplane is above the Class C
  2. A two-way radio and ADS-B In
  3. A two-way radio and a VOR receiver
  4. A Mode C transponder and ADS-B Out
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Correct answer: A Mode C transponder and ADS-B Out

Mode C and ADS-B Out are required above Class B or C. This holds inside its lateral limits, up to 10,000 feet MSL.

Source: Aeronautical Information Manual (FAA, Basic with Change 3, 9 July 2026), AIM 4-1-20 Transponder and ADS-B Out Operation, page 223

Practice airspace

Questions last reviewed: 18 October 2026