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AirspaceQuestion 175 of 934

A pilot flies at 11,500 feet MSL in Class E airspace over terrain 3,000 feet MSL. Which equipment is required?

  1. A two-way radio and a VOR receiver
  2. A transponder without altitude reporting
  3. A transponder with altitude reporting and ADS-B Out
  4. A GPS receiver and ADS-B In
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Correct answer: A transponder with altitude reporting and ADS-B Out

Class E at or above 10,000 feet MSL, above 2,500 feet AGL, needs Mode C and ADS-B Out.

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