Aviation Mechanic Powerplant (AMP) practice test
The Powerplant section of the Aviation Mechanic knowledge tests. Questions follow the Aviation Mechanic ACS subjects, covering reciprocating and turbine engines, fuel metering, ignition, lubrication, exhaust, and propellers. 147 free questions, three choices each like the real test. The actual test has 100 questions in 120 minutes and requires 70% to pass.
Sources: FAA-H-8083-32B Aviation Maintenance Technician Handbook – Powerplant, and 14 CFR part 43. Question bank updated 2026-09-22.
Practice
Browse by ACS area
Every question also has its own page with the full explanation, background, and source.
- AReciprocating Engines13 questions
- BTurbine Engines13 questions
- CEngine Inspection9 questions
- DEngine Instrument Systems12 questions
- EEngine Fire Protection Systems7 questions
- FEngine Electrical Systems13 questions
- GEngine Lubrication Systems9 questions
- HIgnition and Starting Systems11 questions
- IEngine Fuel and Fuel Metering Systems20 questions
- JReciprocating Engine Induction and Cooling Systems13 questions
- KTurbine Engine Air Systems9 questions
- LEngine Exhaust and Reverser Systems8 questions
- MPropellers10 questions
SkyDrill is not affiliated with the FAA. Test format details (question count, time, passing score) come from the ACS and can change; confirm with the current ACS before your test date.