FAA A&P practice testPass your A&P written tests.

1. 1General: weight, balance and math4

   General: Weight and Balance; Aircraft Drawings; Mathematics; Physics for Aviation

   1. Finding the center of gravity
   2. Reading aircraft drawings
   3. Shop math and torque conversions
   4. Air density, pressure and lift
   20–40% of General
2. 2General: electricity, hardware and corrosion4

   General: Fundamentals of Electricity and Electronics; Fluid Lines and Fittings; Aircraft Materials, Hardware, and Processes; Cleaning and Corrosion Control

   1. Ohm's law and circuits
   2. Tubing, hoses and fittings
   3. Safety wire and torque
   4. Spotting and treating corrosion
   20–45% of General
3. 3General: rules, records and people6

   General: Regulations, Maintenance Forms, Records, and Publications; Inspection Concepts and Techniques; Ground Operations and Servicing; Human Factors

   1. Logbook entries and return to service
   2. Form 337 for major repairs
   3. Reading airworthiness directives
   4. Inspection programs and NDT
   5. Towing, fueling and run-up safety
   6. Human error and fatigue
   20–45% of General
4. 4Airframe: structures and controls5

   Airframe: Metallic Structures; Non-Metallic Structures; Flight Controls; Airframe Inspection; Landing Gear Systems; Rotorcraft Fundamentals

   1. Rivet layout for sheet metal repairs
   2. Composite, wood and fabric repairs
   3. Rigging the flight controls
   4. Landing gear, wheels and brakes
   5. Helicopter rotors and transmissions
   30–55% of Airframe
5. 5Airframe: systems8

   Airframe: Hydraulic and Pneumatic Systems; Environmental Systems; Aircraft Instrument Systems; Communication, Light Signals, and Runway Lighting Systems; Aircraft Fuel Systems; Aircraft Electrical Systems; Ice and Rain Control Systems; Airframe Fire Protection Systems; Water and Waste Systems

   1. Hydraulic pumps, valves and actuators
   2. Cabin pressurization and air conditioning
   3. Pitot-static instruments
   4. Radios, ELTs and antennas
   5. Aircraft fuel systems
   6. Wiring and circuit protection
   7. Ice and rain control
   8. Fire detection and extinguishing
   45–70% of Airframe
6. 6Powerplant: engines and propellers5

   Powerplant: Reciprocating Engines; Turbine Engines; Engine Inspection; Propellers; Engine Exhaust and Reverser Systems

   1. The four-stroke cycle
   2. How a turbine engine works
   3. Engine inspections and life-limited parts
   4. Propeller pitch and governors
   5. Exhaust leaks and thrust reversers
   25–55% of Powerplant
7. 7Powerplant: engine systems7

   Powerplant: Engine Instrument Systems; Engine Fire Protection Systems; Engine Electrical Systems; Engine Lubrication Systems; Ignition and Starting Systems; Engine Fuel and Fuel Metering Systems; Reciprocating Engine Induction and Cooling Systems; Turbine Engine Air Systems

   1. Magnetos, spark plugs and starters
   2. Carburetors and fuel injection
   3. Oil systems and chip detectors
   4. Engine instruments and generators
   5. Induction, cooling and turbochargers
   6. After the written: oral and practical
   7. Test day
   45–75% of Powerplant

Built on FAA Aviation Mechanic General, Airframe, and Powerplant Airman Certification Standards (FAA-S-ACS-1), with the written test blueprints in FAA-G-ACS-1 · November 2021, effective September 21, 2022; companion guide Change 2, September 2024