AC 60-25F

Historical

Advisory circular · Reference Materials and Subject Matter Knowledge Codes for Airman Knowledge Testing

Approved
June 8, 2004
Last reviewed
October 9, 2024
This change
Canceled by Memo signed by Robert C. Carty and Derek Honda; dated 3/2/2021.
Cancels
AC60-25E
Family
AC 60-25 · 3 versions
Revision
F
14 CFR parts
1, 21, 23, 25, 27, 39, 43, 45, 61, 63, 65, 71, 91, 97, 105, 119, 121, 125, 135, 183
14 CFR sections
§ 23.29§ 91.417

Guidance, not mandatory unless a rule or AD requires it. DRS record last changed November 21, 2025.

Show pages 30–41

LIST OF REFERENCE MATERIALS

AND SUBJECT MATTER KNOWLEDGE CODES The publications listed in the following pages contain study material you need to be familiar with when preparing for aviation mechanic knowledge tests. These publications can be purchased through the U.S.

Government Printing Office (GPO), commercial aviation supply houses, or industry organizations. The latest revision of the listed references should be requested. Additional study material is also available through these sources that may be helpful in preparing for aviation mechanic knowledge tests. All publications listed would be excellent for a mechanic to have in a personal reference library.

AVIATION MECHANIC—GENERAL

ABBREVIATIONS AND REFERENCES AMT-G Aviation Maintenance Technician Series General—Aviation Supplies and Academics (ASA), Inc.

ABS Aircraft Basic Science—Glencoe Division, Macmillan/McGraw-Hill Publication Co.

AP Aircraft Powerplants—Glencoe Division, Macmillan/McGraw-Hill Publication Co.

AEE Aircraft Electricity and Electronics—Glencoe Division, Macmillan/McGraw-Hill Publication Co.

AC Advisory Circular—Federal Aviation Administration (FAA), Government Printing Office (GPO) AIM Aeronautical Information Manual—FAA, Government Printing Office (GPO) 14 CFR Title 14 of the Code of Federal Regulations (part or § [section])—Government Printing Office (GPO) FAA-G-8082 Guide—FAA, Government Printing Office (GPO) FAA-H-8083 Handbook—FAA, Government Printing Office (GPO) MBM Marathon Battery Instruction Manual ECD Electronic Circuit Devices—Jeppesen Sanderson, Inc.

AB Aircraft Batteries, Lead Acid/Nickel-Cadmium—Jeppesen Sanderson, Inc.

ATD Aircraft Technical Dictionary—Jeppesen Sanderson, Inc.

JSGT A & P Technician General Textbook—Jeppesen Sanderson, Inc.

JSPT A & P Technician Powerplant Textbook—Jeppesen Sanderson, Inc.

Basic Electricity—AC 65-9A, AMT-G, AEE, MBM, ECD, AB, JSGT A01 Calculate and measure capacitance and inductance A02 Calculate and measure electrical power A03 Measure voltage, current, resistance, and continuity A04 Determine the relationship of voltage, current, and resistance in electrical circuits A05 Read and interpret electrical circuit diagrams, including solid state devices and logic functions A06 Inspect and service batteries Aircraft Drawings—AC 65-9A, AC 65-15A, ABS, JSGT B01 Use drawings, symbols, and system schematics B02 Draw sketches of repairs and alterations B03 Use blueprint information B04 Use graphs and charts 42

Weight and Balance—AC 65-9A, 14 CFR § 23.29 C01 Weigh aircraft C02 Perform complete weight and balance check and record data Fluid Lines and Fittings—AC 65-9A, ABS, JSGT D01 Fabricate and install rigid and flexible fluid lines and fittings Materials and Processes—AC 65-9A, AC 43-3, AC 65-15A, AC 43.13-1B, ABS, AP , ATD, JSPT, JSGT E01 Identify and select appropriate nondestructive testing methods E02 Perform dye penetrant, eddy current, ultrasonic, and magnetic particle inspections E03 Perform basic heat-treating processes E04 Identify and select aircraft hardware and materials E05 Inspect and check welds E06 Perform precision measurements Ground Operation and Servicing—AC 65-9A, FAA-H-8083-3, AC 65-12A, AIM, ABS, JSGT F01 Start, ground operate, move, service, and secure aircraft and identify typical ground operation hazards F02 Identify and select fuels Cleaning and Corrosion Control—AC 65-9A, AC 65-12A, AC 43.13-1B, AC 43-4A, AC 43-205, JSGT G01 Identify and select cleaning materials G02 Inspect, identify, remove, and treat aircraft corrosion and perform aircraft cleaning Mathematics—AC 65-9A, AC 65-12A, ABS, AMT-G, JSGT H01 Extract roots and raise numbers to a given power H02 Determine areas and volumes of various geometrical shapes H03 Solve ratio, proportion, and percentage problems H04 Perform algebraic operations involving addition, subtraction, multiplication, and division of positive and negative numbers Maintenance Forms and Records—AC 61-23C, AC 65-9A, AC 65-19H, AC 43.13-1B, 14 CFR §

91.417, 14 CFR part 43 I01 Write descriptions of work performed including aircraft discrepancies and corrective actions using typical aircraft maintenance records I02 Complete required maintenance forms, records, and inspection reports Basic Physics—AC 65-9A, FAA-H-8083-3, ABS, JSGT J01 Use and understand the principles of simple machines; sound, fluid, and heat dynamics; basic aerodynamics; aircraft structures; and theory of flight 43

Maintenance Publications—AC 65-9A, FAA-G-8082-11, 14 CFR part 21, 14 CFR part 39, 14 CFR part 43, ABS, JSGT K01 Demonstrate ability to read, comprehend, and apply information contained in FAA and manufacturer’s aircraft maintenance specifications, data sheets, manuals, publications, and related Federal Aviation Regulations, Airworthiness Directives, and Advisory material K02 Read technical data Mechanic Privileges and Limitations—AC 43.13-1B, AMT-A, 14 CFR part 43, 14 CFR part 65 L01 Exercise mechanic privileges within the limitations prescribed by 14 CFR part 65 AVIATION—MECHANIC AIRFRAME

ABBREVIATIONS AND REFERENCES AC Advisory Circular AEE Aircraft Electricity and Electronics—Glencoe Division, Macmillan/McGraw-Hill Publication Co.

AMR Aircraft Maintenance and Repair—Glencoe Division, Macmillan/McGraw-Hill Publishing Co.

AP Aircraft Powerplants—Glencoe Division, Macmillan/McGraw-Hill Publishing Co.

AMT-A Aviation Maintenance Technician Series Airframe—Aviation Supplies and Academics (ASA) Publications DAT Dictionary of Aeronautical Terms—Aviation Supplies and Academics (ASA) Publications AAC Aircraft Air Conditioning (Vapor Cycle)—Jeppesen Sanderson, Inc.

FMS Aircraft Fuel Metering Systems—Jeppesen Sanderson, Inc.

AHS Aircraft Hydraulic System—Jeppesen Sanderson, Inc.

AOS Aircraft Oxygen Systems—Jeppesen Sanderson, Inc.

JSAT A & P Technician Airframe Textbook—Jeppesen Sanderson, Inc.

JSGT A & P Technician General Textbook—Jeppesen Sanderson, Inc.

ABS Aircraft Bonded Structure—Jeppesen Sanderson, Inc.

WG Welding Guidelines with Aircraft Supplement—Jeppesen Sanderson, Inc.

ARS Aircraft Radio Systems—Jeppesen Sanderson, Inc.

AC Advanced Composites—Jeppesen Sanderson, Inc.

14 CFR Title 14 of the Code of Federal Regulations (part or § [section])—Government Printing Office (GPO) 47 CFR Title 47 of the Code of Federal Regulations (part or § [section])—Government Printing Office (GPO) 49 CFR Title 49 of the Code of Federal Regulations (part or § [section])—Government Printing Office (GPO) MBM Marathon Battery Manual MMM Manufacturer’s Maintenance Manual TSO Technical Standard Order SUND Sundtrand IDG and BITE 767 Line Maintenance/Servicing 44

Wood Structures—AC 65-15A, AC 43.13-1B, AMR A01 Service and repair wood structures A02 Identify wood defects A03 Inspect wood structures Aircraft Covering—AC 65-15A, AC 43.13-1B, AMR B01 Select and apply fabric and fiberglass covering materials B02 Inspect, test, and repair fabric and fiberglass Aircraft Finishes—AC 65-15A, AC 43.13-1B, AMR, JSAT C01 Apply trim, letters, and touchup paint C02 Identify and select aircraft finishing materials C03 Apply finishing materials C04 Inspect finishes and identify defects Sheet Metal and Non-Metallic Structures—AC 65-9A, AC 65-15A, AC 43.13-1B, 14 CFR part 23, TSO, AMR, AComp, ABStruc, JSGT, JSAT D01 Select, install, and remove special fasteners for metallic, bonded, and composite structures D02 Inspect bonded structures D03 Inspect, test, and repair fiberglass, plastics, honeycomb, composite, and laminated primary and secondary structures D04 Inspect, check, service, and repair windows, doors, and interior furnishings D05 Inspect and repair sheet-metal structures D06 Install conventional rivets D07 Form, lay out, and bend sheet metal Welding—AC 65-15A, AC 43.13-1B, AMR, WG, JSAT E01 Weld magnesium and titanium E02 Solder stainless steel E03 Fabricate tubular structures E04 Solder, braze, gas-, and arc-weld steel E05 Weld aluminum and stainless steel Assembly and Rigging—AC 65-9A, AC 65-15A, AC 61-13B, AC 43.13-1B & 2A, 14 CFR part 23,

AMR, JSAT F01 Rig rotary-wing aircraft F02 Rig fixed-wing aircraft F03 Check alignment of structures F04 Assemble aircraft components, including flight control surfaces F05 Balance, rig, and inspect movable primary and secondary flight control surfaces F06 Jack aircraft 45

Airframe Inspection—AC 65-9A, 14 CFR part 43, 14 CFR part 65, 14 CFR part 91 G01 Perform airframe conformity and airworthiness inspections HXX Reserved IXX Reserved JXX Reserved Aircraft Landing Gear Systems—AC 65-9A, AC 65-15A, AC 43.13-1B, 14 CFR part 43, AMR,

AHS, JSAT K01 Inspect, check, service, and repair landing gear, retraction systems, shock struts, brakes, wheels, tires, and steering systems Hydraulic and Pneumatic Power Systems— AC 65-9A, AC 65-15A, AMR, AHS, JSAT, AMT-A L01 Repair hydraulic and pneumatic power system components L02 Identify and select hydraulic fluids L03 Inspect, check, service, troubleshoot, and repair hydraulic and pneumatic power systems Cabin Atmosphere Control Systems—AC 65-15A, AC 43.13-1B, AMR, AAC, JSAT, 49 CFR part 173 M01 Inspect, check, service, troubleshoot, and repair heating, cooling, air-conditioning, pressurization, and air cycle machines M02 Inspect, check, troubleshoot, service, and repair oxygen systems Aircraft Instrument Systems—AC 65-9A, AC 65-15A, 14 CFR part 23, 14 CFR part 65, 14 CFR part 91, AEE, AMR, AMT-A, JSAT N01 Inspect, check, service, troubleshoot, and repair electronic flight instrument systems and both mechanical and electrical heading, speed, altitude, temperature, pressure, and position indicating systems to include the use of built-in test equipment N02 Install instruments and perform a static pressure system leak test Communication and Navigation Systems—AC 65-15A, AC 91-44A, AC 43.13-2A, AEE, AP , ARS, JSAT, 47 CFR § 87.89 O01 Inspect, check, and troubleshoot autopilot, servos and approach coupling systems O02 Inspect, check, and service aircraft electronic communication and navigation systems, including VHF, passenger address interphones and static discharge devices, aircraft VOR, ILS, LORAN, radar beacon transponders, flight management computers, and GPWS O03 Inspect and repair antenna and electronic equipment installations Aircraft Fuel Systems—AC 65-9A, AC 65-12A, AC 65-15A, AC 43.13-1B & 2A, 14 CFR part 23, 14 CFR part 25, AMR, MMM, FMS, JSGT, JSAT P01 Check and service fuel dump systems P02 Perform fuel management, transfer, and defueling P03 Inspect, check, and repair pressure fueling systems P04 Repair aircraft fuel system components 46

P05 Inspect and repair fluid quantity indicating systems P06 Troubleshoot, service, and repair fluid pressure and temperature warning systems P07 Inspect, check, service, troubleshoot, and repair aircraft fuel systems Aircraft Electrical Systems—AC 65-9A, AC 65-15A, AC 43.13-1B & 2A, 14 CFR part 23, AEE,

MBM, JSGT, JSAT Q01 Repair and inspect aircraft electrical system components; crimp and splice wiring to manufacturer’s specifications; and repair pins and sockets of aircraft connectors Q02 Install, check, and service airframe electrical wiring, controls, switches, indicators, and protective devices Q03 Inspect, check, troubleshoot, service, and repair alternating and direct current electrical systems Q04 Inspect, check, and troubleshoot constant speed and integrated speed drive generators Position and Warning Systems—AC 65-9A, AC 65-15A, AC 43.13-1B, 14 CFR part 23, AMR,

AMT-A, JSAT R01 Inspect, check, and service speed and configuration warning systems, electrical brake controls, and antiskid systems R02 Inspect, check, troubleshoot, and service landing gear position indicating and warning systems Ice and Rain Control Systems—AC 65-15A, AMT-A S01 Inspect, check, troubleshoot, service, and repair airframe ice and rain control systems Fire Protection Systems—AC 65-9A, AC 65-15A, AP, JSAT T01 Inspect, check, and service smoke and carbon monoxide detection systems T02 Inspect, check, service, troubleshoot, and repair aircraft fire detection and extinguishing systems 47

AVIATION MECHANIC—POWERPLANT

ABBREVIATIONS AND REFERENCES ABS Aircraft Basic Science—Glencoe Division, Macmillan/McGraw-Hill Publication Co.

AC Advisory Circular AEE Aircraft Electricity and Electronics—Glencoe Division, Macmillan/McGraw-Hill Publication Co.

AMR Aircraft Maintenance and Repair—Glencoe Division, Macmillan/McGraw-Hill Publication Co.

AMT-G Aviation Maintenance Technician Series General—Aviation Supplies & Academics, (ASA) Inc.

AMT-P Aviation Maintenance Technician Series Powerplant—Aviation Supplies & Academics, (ASA) Inc.

AP Aircraft Powerplants—Glencoe Division, Macmillan/McGraw-Hill Publication Co.

DAT Dictionary of Aeronautical Terms—Aviation Supplies & Academics (ASA), Inc.

TCAS Transport Category Aircraft Systems—Jeppesen Sanderson, Inc.

APC Aircraft Propellers and Controls—Jeppesen Sanderson, Inc.

ATD Aircraft Technical Dictionary—Jeppesen Sanderson, Inc.

JSGT A & P Technician General Textbook—Jeppesen Sanderson, Inc.

JSPT A & P Technician Powerplant Textbook—Jeppesen Sanderson, Inc.

AGTP Aircraft Gas Turbine Powerplants—Jeppesen Sanderson, Inc.

14 CFR Title 14 of the Code of Federal Regulations (part or § [section])—Government Printing Office (GPO) PSG A&P Technician Powerplant Study Guide—Jeppesen Sanderson, Inc.

Reciprocating Engines—AC 65-9A, AC 65-12A, 14 CFR part 43, AP, JSPT, AMT-P A01 Inspect and repair a radial engine A02 Overhaul reciprocating engine A03 Inspect, check, service, and repair reciprocating engines and engine installations A04 Install, troubleshoot, and remove reciprocating engines Turbine Engines—AC 65-9A, AC 65-12A, AC 65-15A, 14 CFR part 33, AP , AGTP, JSPT B01 Overhaul turbine engine B02 Inspect, check, service, and repair turbine engines and turbine engine installations B03 Install, troubleshoot, and remove turbine engines Engine Inspection—AC 65-9A, AC 65-12A, AC 39-7B, AC 43.13-1B, 14 CFR part 23, 14 CFR part 33, 14 CFR part 43, 14 CFR part 65, ABS, AP, JSGT, JSPT C01 Perform powerplant conformity and airworthiness inspections DXX Reserved EXX Reserved FXX Reserved GXX Reserved 48

Engine Instrument Systems—AC 65-12A, AC 65-15A, AC 20-88A, 14 CFR part 65, AMR, AP,

AGTP, JSPT, ATD H01 Troubleshoot, service, and repair electrical and mechanical fluid rate-of-flow indicating systems H02 Inspect, check, service, troubleshoot, and repair electrical and mechanical engine temperature, pressure, and RPM indicating systems Engine Fire Protection Systems—AC 65-9A, AC 65-12A, ABS, AMR, AMT-P , AP, JSPT I01 Inspect, check, service, troubleshoot, and repair engine fire detection and extinguishing systems Engine Electrical Systems—AC 65-9A, AC 65-12A, AC 65-15A, AC 43.13-1B, 14 CFR part 23, 14 CFR part 25, AEE, AP, JSGT, JSPT J01 Repair engine electrical system components J02 Install, check, and service engine electrical wiring, controls, switches, indicators, and protective devices Lubrication Systems—AC 65-12A, AC 65-15A, 14 CFR part 33, AP , AGTP , JSPT, AMT-P K01 Identify and select lubricants K02 Repair engine lubrication system components K03 Inspect, check, service, troubleshoot, and repair engine lubrication systems Ignition and Starting Systems—AC 65-12A, AC 65-15A, AEE, AMT-P, AP , AGTP, JSPT L01 Overhaul magneto and ignition harness L02 Inspect, service, troubleshoot, and repair reciprocating and turbine engine ignition systems and components L03 Inspect, service, troubleshoot, and repair turbine engine electrical starting systems L04 Inspect, service, and troubleshoot turbine engine pneumatic starting systems Fuel Metering Systems—AC 65-9A, AC 65-12A, AP, AGTP, JSPT M01 Troubleshoot and adjust turbine engine fuel metering systems and electronic engine fuel controls M02 Overhaul carburetor M03 Repair engine fuel metering system components M04 Inspect, check, service, troubleshoot, and repair reciprocating and turbine engine fuel metering systems Engine Fuel Systems—AC 65-9A, AC 65-12A, AC 43.13-1B, 14 CFR part 23, AP , JSPT N01 Repair engine fuel system components N02 Inspect, check, service, troubleshoot, and repair engine fuel systems 49

Induction and Engine Airflow Systems—AC 65-9A, AC 65-12A, AC 43.13-1B, AP, AGTP, JSPT, AMT-P O01 Inspect, check, troubleshoot, service, and repair engine ice and rain control systems O02 Inspect, check, service, troubleshoot, and repair heat exchangers, superchargers, and turbine engine airflow and temperature control systems O03 Inspect, check, service, and repair carburetor air intake and induction manifolds Engine Cooling Systems—AC 65-12A, ABS, AP, JSPT, AMT-P P01 Repair engine cooling system components P02 Inspect, check, troubleshoot, service, and repair engine cooling systems Engine Exhaust and Reverser Systems—AC 65-12A, AC 43.13-1B, AP , JSPT Q01 Repair engine exhaust system components Q02 Inspect, check, troubleshoot, service, and repair engine exhaust systems Q03 Troubleshoot and repair engine thrust reverser systems and related components Propellers—AC 65-9A, AC 65-12A, AC 43.13-1B, 14 CFR part 43, 14 CFR part 65, AP , ATD, APC,

JSPT, AMT-P R01 Inspect, check, service, and repair propeller synchronizing and ice control systems R02 Identify and select propeller lubricants R03 Balance propellers R04 Repair propeller control system components R05 Inspect, check, service, and repair fixed pitch, constant speed and feathering propellers, and propeller governing systems R06 Install, troubleshoot, and remove propellers R07 Repair aluminum alloy propeller blades Auxiliary Power Units—DAT, TCAS, ATD, AGTP T01 Inspect, check, service, and troubleshoot turbine-driven auxiliary power units NOTE: AC 00-2, Advisory Circular Checklist, transmits the status of all FAA advisory circulars (ACs), as well as FAA internal publications and miscellaneous flight information such as Aeronautical Information Manual (AIM), Airport/Facility Directory, knowledge test study guides, and other material directly related to a certificate or rating. The checklist is available on the Internet at:

http://www.faa.gov/aba/html_policies/ac00_2.html 50