Complete Theory — All 40 Chapters
Free, in-depth study guides for the FAA General, Airframe and Powerplant written tests, aligned with the Aviation Mechanic ACS. Each guide includes animated diagrams and links to 1,600+ practice questions.
General — Aviation Mechanic Fundamentals
FAA General Written Test: math, physics, aircraft drawings, weight and balance, materials, ground operations, regulations and human factors.
Fundamentals of Electricity and Electronics
40 practice questions
Aircraft Drawings
40 practice questions
Weight and Balance
40 practice questions
Fluid Lines and Fittings
40 practice questions
Aircraft Materials, Hardware, and Processes
40 practice questions
Ground Operations and Servicing
40 practice questions
Cleaning and Corrosion Control
40 practice questions
Mathematics
40 practice questions
Regulations, Maintenance Forms, Records, and Publications
40 practice questions
Physics for Aviation
40 practice questions
Inspection Concepts and Techniques
40 practice questions
Human Factors
40 practice questions
Airframe
FAA Airframe Written Test: metallic and non-metallic structures, flight controls, hydraulics, landing gear, environmental and fuel systems, fire protection.
Metallic Structures
40 practice questions
Non-Metallic Structures
40 practice questions
Flight Controls
40 practice questions
Airframe Inspection
40 practice questions
Landing Gear Systems
40 practice questions
Hydraulic and Pneumatic Systems
40 practice questions
Environmental Systems
44 practice questions
Aircraft Instrument Systems
40 practice questions
Communication, Light Signals, and Runway Lighting Systems
50 practice questions
Aircraft Fuel Systems
40 practice questions
Aircraft Electrical Systems
40 practice questions
Ice and Rain Control Systems
38 practice questions
Airframe Fire Protection Systems
40 practice questions
Rotorcraft Fundamentals
40 practice questions
Water and Waste Systems
40 practice questions
Powerplant
FAA Powerplant Written Test: reciprocating and turbine engines, engine systems, fuel metering, ignition, exhaust and propellers.
Reciprocating Engines
40 practice questions
Turbine Engines
40 practice questions
Engine Inspection
40 practice questions
Engine Instrument Systems
40 practice questions
Engine Fire Protection Systems
40 practice questions
Engine Electrical Systems
40 practice questions
Engine Lubrication Systems
40 practice questions
Ignition and Starting Systems
40 practice questions
Engine Fuel and Fuel Metering Systems
40 practice questions
Reciprocating Engine Induction and Cooling Systems
40 practice questions
Turbine Engine Air Systems
40 practice questions
Engine Exhaust and Reverser Systems
40 practice questions
Propellers
40 practice questions
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