FAA AMT Airframe Test 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 1030

What is the primary purpose of an aircraft transponder?

To transmit location to ground stations

To receive weather updates

To receive an interrogation signal and send a reply

The primary purpose of an aircraft transponder is to receive an interrogation signal from ground-based radar systems and then transmit a specific reply signal back to provide air traffic controllers with the aircraft's identification, altitude, and other crucial information. This two-way communication enhances the ability of air traffic control to accurately track and manage aircraft in controlled airspace. The other options are incorrect because the transponder does not primarily transmit location to ground stations, receive weather updates, or control the aircraft remotely.

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To control the aircraft remotely

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