Types of turbine engines

Updated October 25, 2026 · element text from the FAA Aviation Mechanic ACS (FAA-S-ACS-1)

Practice AM.III.B.K2 out loud, free

What the ACS says

Types of turbine engines.

A sample oral question on this element

“What types of gas turbine engines are used to propel and power aircraft, and what is each type's role?”

Study source: FAA-H-8083-32B (Aviation Maintenance Technician Handbook, Powerplant), chapter 1, pages 1-36, 1-37, 1-55

If this code is on your test report

Your Airman Knowledge Test Report (AKTR) lists an ACS code for every knowledge area you missed on the written test. On the A&P oral, each of those codes adds one question to that section, on top of a minimum of four random questions (FAA Mechanic Test Generator FAQ). So if AM.III.B.K2 is on your AKTR, expect the examiner to ask about it. More on how codes turn into oral questions: A&P ACS codes: know your codes before the oral.

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