General

Electron theory (conventional flow vs. electron flow).

Magnetism.

Capacitance in a circuit.

Inductance in a circuit.

Alternating current (AC) electrical circuits.

Direct current (DC) electrical circuits.

Electrical laws and theory.

a. Ohm's Law

b. Kirchhoff's Laws

c. Watt's Law

d. Faraday's Law

e. Lenz's Law

f. Right-hand motor rule

Electrical measurement tools, principles, and procedures.

Voltage.

a. Regulation

Current.

Resistance.

a. Impedance

b. Resistance in series

c. Resistance in parallel

d. Total resistance

Power.

Series circuits.

Parallel circuits.

Aircraft batteries.

Transformers.

Circuit continuity.

Controlling devices, including switches and relays.

Protective devices, including fuses, circuit breakers, and current limiters.

Resistor types and color coding.

Semiconductors, including diodes, transistors, and integrated circuits.

Digital logic, including RAM, ROM, NVRAM, logic gates, inverter, rectifier, and flip flop.

Binary numbers.

Electrostatic discharge.

Electrical circuit drawings.

Complex/combined circuits.

AC and DC motors.

Taking voltage, current, resistance, and capacitance measurements.

Handling, storage, and inspection of different types of batteries (i.e., lead acid, NiCad, lithium ion, gel cell).

High-voltage circuits (e.g., strobe lighting).

Working around batteries.

Perform circuit continuity test.

Measure voltage.

Measure current.

Measure resistance.

Test a switch or relay.

Test a fuse or circuit breaker.

Read and interpret aircraft electrical circuit diagrams, and symbols, including solid state devices and logic functions.

Troubleshoot a circuit.

Identify symbols used in electrical and electronic schematic diagrams (e.g., grounds, shields, resistors, capacitors, fuses, circuit breakers, batteries, diodes, transistors, and integrated circuits).

Demonstrate how to test for short-circuit and open-circuit conditions.

Measure voltage drop across a resistor.

Determine or measure for open electrical circuits.

Inspect an aircraft battery.

Service an aircraft battery.

Drawings, blueprints, sketches, charts, graphs, and system schematics, including commonly used lines, symbols, and terminology.

Repair or alteration of an aircraft system or component(s) using drawings, blueprints, or system schematics to determine whether it conforms to its type design.

Inspection of an aircraft system or component(s) using drawings, blueprints, or system schematics.

Terms used in conjunction with aircraft drawings, blueprints, or system schematics.

Interpretation of plus or minus tolerances as depicted on aircraft drawings.

Specifications for design of alterations and repairs.

Applicability of the drawing or schematic to the particular aircraft by model and serial number.

Identification of the current version and applicability of drawing being used.

Draw a sketch of a repair or alteration.

Identify the meaning of lines and symbols used in an aircraft drawing.

Interpret dimensions used in an aircraft drawing.

Identify changes on an aircraft drawing.

Determine material requirements from an aircraft drawing.

Interpret graphs and charts.

Weight and balance terminology.

Purpose for weighing an aircraft.

Weighing procedures, including the general preparations for weighing, with emphasis on aircraft weighing area considerations.

Procedures for calculation of the following: arm, positive or negative moment, center of gravity (CG), or moment index.

Purpose and application of weight and CG limits.

Purpose of determining CG.

Adverse loading considerations and how to calculate if adverse loading causes an out-of-limit condition.

Determine proper empty weight configuration.

Proper ballast placement.

Jacking an aircraft.

Situations and conditions when jacking an aircraft.

Aircraft weighing procedures.

Use of scales.

Aerodynamic effect of CG that is forward or aft of CG limits.

Aerodynamic and performance effects of weight in excess of limits.

Research and explain the procedures for weighing an aircraft.

Perform weight and balance calculations.

Calculate ballast weight shift and required weight location.

Check aircraft weighing scales for calibration.

Calculate weight and balance for an aircraft after an equipment change.

Compute forward and aft loaded CG limit.

Create a maintenance record for a weight and balance change.

Compute the empty weight and empty weight CG of an aircraft.

Calculate the moment of an item of equipment.

Identify tare items.

Locate weight and balance information.

Locate datum.

Locate weight and balance placarding and limitation requirements for an aircraft.

Revise an aircraft equipment list after equipment change.

Calculate the change needed to correct an out of balance condition.

Determine an aircraft’s CG range using aircraft specifications, Type Certificate Data Sheets (TCDSs), and aircraft listings.

Calculate a weight change and complete required records.

Tubing and hose materials, applications, sizes, and fittings.

Rigid line or flexible hose material identification.

Rigid line fabrication, installation, and inspection techniques/practices.

Flexible hose fabrication, installation, and inspection techniques/practices.

Importance of using a torque wrench when securing fluid hose and line fittings.

Use of torque seal or similar witness techniques after installing critical fluid hose and line fittings.

System configuration prior to and during maintenance.

Use of required safety equipment.

Hazardous fluids.

High-pressure fluid systems.

A twisted hose.

A loosened fitting or a hose that has moved out of position.

Use of tools while applying torque to a fluid line.

Fabricate a rigid line with a flare and a bend.

Install an aircraft rigid line.

Install an aircraft flexible hose.

Perform a rigid line or flexible hose inspection.

Identify installation and security requirements for rigid lines and flexible hoses.

Identify fluid lines, pneumatic lines, and fittings.

Fabricate a flexible hose.

Fabricate a flareless-fitting-tube connection.

Materials commonly used in aircraft and their general application.

Heat treatment and metal working processes.

Forces placed on aircraft materials (e.g., tension, compression, torsion, bending, strain, and shear).

Hardware commonly used in aircraft (e.g., bolts, nuts, screws, pins, washers, turnlock fasteners, cables, cable fittings, and rigid line couplings).

Safety wire and safety clip requirements and techniques.

Precision measurement tools, principles, and procedures.

Soldering preparation, types of solder, and flux usage.

Torquing tools, principles, and procedures.

Suitability and compatibility of materials and hardware used for maintenance.

Relationship between torque and fastener preload.

Identification markings on materials and hardware.

Characteristics of acceptable welds.

Characteristics of unacceptable welds.

Procedures for weld repairs.

Use of personal protective equipment (PPE).

Improper torque.

Used hardware or suspected unapproved parts (SUPS).

Torquing techniques on critical, highly-stressed fasteners.

Install safety wire on nuts, bolts, and turnbuckles.

Determine and properly torque aircraft hardware.

Inspect and check welds.

Identify aircraft materials and hardware based on manufacturer’s markings.

Select and install aircraft bolts.

Make precision measurements with an instrument that has a Vernier scale.

Check the concentricity of a shaft.

Identify aircraft control cable components.

Fabricate a cable assembly using a swaged-end fitting.

Select the correct aluminum alloy for a structural repair.

Identify rivets by physical characteristics.

Determine suitability of materials for aircraft repairs.

Distinguish between heat-treated and non-heat-treated aluminum alloys.

Check for proper calibration of a micrometer.

Aircraft towing procedures.

Aircraft securing procedures.

Aviation fueling/defueling procedures.

Airport operation area procedures and ATC communications, including runway incursion prevention.

Engine starting, ground operation, and aircraft taxiing procedures.

Types/classes of fire extinguishers and procedures.

Aircraft oil, hydraulic and pneumatic, and deicing servicing procedures.

Oxygen system servicing procedures.

Characteristics of aviation gasoline and turbine fuels, including basic types and means of identification.

Fuel additives commonly used in the field.

Use of approved grades/types of fuel in aircraft engines.

Tool and hardware use and accountability.

Material handling.

Parts protections.

Hazardous materials, Safety Data Sheets (SDS), and PPE.

Foreign object damage effects.

Preparing to tow an aircraft.

Connecting external power equipment to an aircraft.

Fueling/defueling ungrounded aircraft or using improper equipment.

Misfueling and using incorrect or contaminated fuel.

Oxygen system servicing.

Engine start/run-up without using a checklist.

Engine starting and ground operations.

Engine starting and operation while troubleshooting or adjusting engine controls.

Ground operation of an aircraft engine with cowling removed contrary to manufacturer instructions.

Ground operation of aircraft in the vicinity of other aircraft or ground support equipment.

Perform a foreign object damage control procedure.

Connect external power to an aircraft.

Prepare an aircraft for towing.

Use appropriate hand signals for the movement of aircraft.

Inspect an aircraft fuel system for water and foreign object debris (FOD) contamination.

Identify different grades of aviation fuel.

Select an approved fuel for an aircraft.

Prepare an aircraft for fueling.

Follow a checklist to start up or shut down an aircraft reciprocating or turbine engine.

Identify procedures for extinguishing fires in an engine induction system.

Secure an aircraft.

Locate and explain procedures for securing a turbine-powered aircraft after engine shutdown.

Aircraft cleaning procedures.

Corrosion theory and causation.

Types and effects of corrosion.

Corrosion-prone areas in aircraft.

Corrosion preventive maintenance procedures.

Corrosion identification and inspection.

Corrosion removal and treatment procedures.

Corrosion preventive compounds (CPC) (e.g., waxy sealants, thin-film dielectrics).

Selection of optimal CPC and frequency of treatment.

Use of high-pressure application equipment.

Improper use of cleaners on aluminum or composite materials.

Dissimilar metals causing accelerated corrosion and role of protective barriers to mitigate this risk.

Conversion coatings.

Materials used for protection of airframe structures.

Primer materials.

Topcoat materials.

Surface preparation for a desired finishing material.

Effects of ambient conditions on finishing materials.

Effects of improper surface preparation on finishing materials.

Regulatory requirements for replacing identification, registration markings, and placards.

Inspection of aircraft finishes.

Safety practices/precautions when using finishing materials (e.g., PPE, fire prevention).

Finishing materials application techniques and practices.

Control surface balance considerations after refinishing.

Health concerns when using paints, solvents, finishing materials, and processes.

Ventilation.

Identification of materials and processes to be used for cleaning or corrosion treatment on a given part or structure to prevent further damage.

SDS PPE instructions for products during removal and treatment of corrosion.

Working with flammable chemicals.

Disposal of chemicals and waste materials.

Use of PPE when working with paints and solvents.

Application of finishing materials.

Perform a portion of an aircraft corrosion inspection.

Identify, select, and use aircraft corrosion prevention/cleaning materials.

Apply corrosion prevention/coating materials.

Inspect finishes and identify defects.

Inspect an aircraft compartment for corrosion.

Identify procedures to clean and protect plastics.

Determine location and size requirements for aircraft registration numbers.

Prepare composite surface for painting.

Identify finishing materials and appropriate thinners.

Layout and mask a surface in preparation for painting.

Prepare metal surface for painting.

Determine what paint system can be used on a given aircraft.

Apply etch solution and conversion coating.

Identify types of protective finishes.

Areas of various geometrical shapes.

Volumes of various geometrical shapes.

Definitions, descriptions and use of geometrical terms, including but not limited to any of the following: polygon, pi, diameter, radius, and hypotenuse.

Ratio problems, including examples of where or how they may be used in relation to aircraft maintenance or system(s) operation.

Proportion and percentage problems, including examples of where or how they may be used in relation to aircraft maintenance or system(s) operation.

Algebraic operations, including examples of where or how they may be used in relation to aircraft maintenance.

Conditions or areas in which metric conversion may be necessary.

Scientific (exponential) notation, decimal notation, fractional notation, binary notation, and conversion between these various forms of numeric notation.

Rounding numbers.

Powers and special powers.

Measurement systems.

Use of positive and negative integers in mathematical operations.

Basic mathematic functions (addition, subtraction, multiplication, division).

Precedence of operations when solving an algebraic equation.

Use of both positive and negative integers in mathematical operations.

Rounding off calculations.

Determine the square root of given numbers.

Compute the volume of a cylinder.

Compute the area of a wing.

Calculate the volume of a shape, such as a baggage compartment or fuel tank.

Convert between fractional and decimal numbers.

Compare two numerical values using ratios.

Compute compression ratio.

Compute the torque value when converting from inch-pounds to foot-pounds or from foot-pounds to inch-pounds.

Privileges and limitations of a mechanic certificate.

Recent experience requirements and how to re-establish once lost.

Maintenance record entry for approval for return to service after maintenance and alterations.

Maintenance record entry for approval for return to service after inspection.

The purpose and use of FAA forms (e.g., FAA Forms 337, 8010-4, 8100-2, 8130-3).

Maintenance terminology as defined in 14 CFR part 1 (e.g., time in service, maintenance, preventive maintenance, major alteration, major repair, minor alteration, minor repair).

Criteria and responsibility for determining whether a repair or alteration is major or minor.

The regulatory framework, including general subject matter of the parts of 14 CFR relevant to aircraft maintenance and mechanics.

Agency publications and guidance materials, including aircraft specifications, TCDSs, advisory circulars (AC), and airworthiness directives (AD).

Alternative Method of Compliance (AMOC) for an AD.

Manufacturer publications, including maintenance manuals, service bulletins, maintenance alerts, and master minimum equipment lists.

FAA databases and resources available, including TCDSs and supplemental type certificates.

Compliance requirements for manufacturer-specified methods, techniques, and practices.

Compliance requirements for manufacturer-specified maintenance and inspection intervals.

FAA-approved maintenance data, including maintenance manuals and other methods, techniques, and practices acceptable by the administrator.

Difference between approved data and acceptable data, and when each is required.

FAA-approved airworthiness limitations.

Alert, caution, and warning indications; and the basic definition of warnings, cautions, and notes that are used in maintenance and operating manuals.

Inoperative equipment.

Discrepancy records or placards.

Usable on (effectivity) codes in parts manuals.

Methods used to establish the serial number effectivity of an item.

Mechanic address change notification procedures.

Completeness or accuracy of documentation.

Use of SDS.

Complacency during documentation phase of maintenance procedures.

Adherence to warnings, cautions, or notes in maintenance and operational manuals.

Determination of component applicability to a given aircraft.

Complete an FAA Form 337 for a major repair or alteration.

Examine an FAA Form 337 for accuracy.

Determine an aircraft's inspection status by reviewing the aircraft's maintenance records.

Complete an aircraft maintenance record entry for the compliance of a reoccurring AD for a specific airframe, aircraft engine, appliance, or propeller.

Compare an equipment list for an aircraft to equipment installed.

Locate applicable FAA aircraft specifications and FAA TCDS for an aircraft or component.

Complete an aircraft maintenance record entry for return to service.

Determine applicability of an AD.

Check a Technical Standard Order (TSO) or part manufacturing authorization for the proper markings.

Use a manufacturer’s illustrated parts catalog to locate a specific part number and applicability.

Locate supplemental type certificates applicable to a specific aircraft.

Determine the conformity of aircraft instrument range markings and placarding.

Determine approved replacement parts for installation on a given aircraft.

Determine maximum allowable weight of a specific aircraft.

Determine whether a given repair or alteration is major or minor.

Determine applicability of approved data for a major repair.

Explain the difference between “approved data” (required for major repair/alteration) and “acceptable data” (required for minor repair/alteration).

Complete a 100-hour inspection aircraft maintenance record entry.

Matter and energy.

Work, power, force, and motion.

Simple machines and mechanics.

Heat and pressure.

Bernoulli’s Principle.

Newton’s Law of Motion.

Gas law and fluid mechanics.

Theory of flight (aerodynamics).

Standard atmosphere and factors affecting atmospheric conditions.

Primary and secondary aircraft flight controls.

Additional aerodynamic devices, including vortex generators, wing fences, and stall strips.

Relationship between temperature, density, weight, and volume.

Force, area, or pressure in a specific application.

Changes in aircraft and engine performance due to density altitude.

Effect a repair can have on a flight surface.

Use of performance/testing data.

Use of related units of measure (e.g., Celsius vs. Fahrenheit).

Convert temperature units (e.g., from Celsius to Fahrenheit).

Determine density altitude.

Determine pressure altitude.

Calculate force, area, or pressure in a specific application.

Demonstrate the mechanical advantage of various types of levers.

Design an inclined plane on paper, indicating the mechanical advantage.

Identify changes in pressure and velocity as a fluid passes through a venturi.

Calculate horsepower.

Measuring tools, including calipers, micrometers, and gauges.

Calibration and tool accuracy requirements.

Nondestructive Testing (NDT) procedures and methods.

Aircraft inspection programs (e.g., progressive, 100-hour, annual, and other FAA-approved inspections).

Aircraft inspection methods and tools for materials, hardware, and processes.

Demagnetizing a component following a magnetic particle inspection.

Using precision measuring instruments.

Calibration of precision measuring equipment.

Selection of inspection techniques.

Damage prevention to aircraft components and test equipment when using an ohmmeter.

Use Vernier calipers.

Use micrometers.

Use measurement gauges.

Perform a visual inspection.

Perform a dye penetrant inspection.

Inspect aircraft for compliance with an AD.

Identify NDT methods for composite, surface metal, and subsurface metal defects.

Perform a tap test on a composite component.

Safety culture and organizational factors.

Human error principles.

Event investigation.

Human performance and limitations.

Physical and social environment.

Communication/reporting of hazards.

Teamwork and leadership.

Professionalism and integrity.

Shift and task turnover.

Conditions/preconditions for unsafe acts.

Types of human errors.

Selective reporting of hazards.

Fatigue management and fitness for duty.

Non-invasive, condition-monitoring technologies.

File a Malfunction or Defect Report.

Brief a shift turnover for continuity of work.

Locate information regarding human factors errors.