Check a certificate Sign out Book a demo

Free resources

The rules and references, one search away

The regulations, advisory circulars, forms and safety standards our courses are built on, with a link to the official source for each one. Free, no account needed.

Current versions checked October 16, 2026 · links open the official source

Regulations library 39 official references, from eCFR, FAA, OSHA and EASA Hangar Cards One-page job aids for the workstand A free course Start to finish, no card needed
Recently revisedNewest first
Jul 2026 AC 43.13-2C Acceptable methods, techniques, and practices: aircraft alterations Sep 2025 Regulation (EU) No 1321/2014 Easy Access Rules for Continuing Airworthiness: Part-M, Part-145, Part-66, Part-CAMO and more Sep 2025 AC 43-9D Maintenance records and FAA Form 8130-3 return to service Dec 2024 AC 120-78B Electronic signatures, electronic recordkeeping, and electronic manuals Feb 2024 AC 150/5210-24A Airport foreign object debris (FOD) management

Regulations library

Every reference our courses use, and more

Current versions checked October 16, 2026 · links open the official source

Topic
Source
Maintenance recordsWho did what, and how it is recorded
14 CFR
§43.9
Maintenance records: content, form and disposition (except inspections under parts 91 and 125, §§135.411(a)(1) and 135.419)
Current text
Taught in Aircraft Maintenance DocumentationAircraft Fastener Identification and Selection
Open on eCFR
14 CFR
§43.11
Inspection records: content, form and disposition (parts 91 and 125, §§135.411(a)(1) and 135.419)
Current text
Open on eCFR
14 CFR
§91.417
Maintenance records kept by owners and operators
Current text
Open on eCFR
FAA AC
AC 43-9D
Maintenance records and FAA Form 8130-3 return to service
Current revision · Sep 2025
Open on FAA
FAA AC
AC 120-78B
Electronic signatures, electronic recordkeeping, and electronic manuals
Current revision · Dec 2024
Open on FAA
FAA form
FAA Form 337
Major repair and alteration (airframe, powerplant, propeller, or appliance)
Current form
Open on FAA
FAA form
FAA Form 8130-3
Authorized release certificate, airworthiness approval tag
Current form
Open on FAA
Inspection, repair and alterationAcceptable methods and the rules behind them
14 CFR
Part 43
Maintenance, preventive maintenance, rebuilding, and alteration
Current text
Open on eCFR
14 CFR
§43.13
Performance rules (general)
Current text
Taught in Aircraft Fastener Identification and Selection
Open on eCFR
14 CFR
Part 91, Subpart E
Maintenance, preventive maintenance, and alterations
Current text
Open on eCFR
FAA AC
AC 43.13-1B
Acceptable methods, techniques, and practices: aircraft inspection and repair
Current revision · Sep 1998 · with Change 1 (Sep 2001)
Taught in Integral Fuel Tank Maintenance and Leak DetectionAircraft Fastener Identification and Selection
Open on FAA
FAA AC
AC 43.13-2C
Acceptable methods, techniques, and practices: aircraft alterations
Current revision · Jul 2026
Open on FAA
Handbook
FAA-H-8083-30B
Aviation Maintenance Technician Handbook: General
Current edition · 2023
Open on FAA
Handbook
FAA-H-8083-31B
Aviation Maintenance Technician Handbook: Airframe
Current edition · 2023
Open on FAA
Handbook
FAA-H-8083-32B
Aviation Maintenance Technician Handbook: Powerplant
Current edition · 2023
Open on FAA
Parts and hardwareEligible, identified and traceable parts
FAA AC
AC 21-29D
Detecting and reporting suspected unapproved parts
Current revision · Jul 2016 · with Change 1 (Feb 2018)
Taught in Aircraft Fastener Identification and Selection
Open on FAA
FAA AC
AC 20-62E
Eligibility, quality, and identification of aeronautical replacement parts
Current revision · Dec 2010 · with Change 1 (Sep 2018)
Open on FAA
FAA AC
AC 20-71
Dual locking devices on fasteners
Current revision · Dec 1970
Taught in Aircraft Fastener Identification and Selection
Open on FAA
14 CFR
Part 39
Airworthiness directives
Current text
Open on eCFR
FAA AC
AC 39-7D
Airworthiness directives
Current revision · Mar 2012
Open on FAA
Repair stations, schools and mechanicsCertificates, manuals and training
14 CFR
Part 145
Repair stations
Current text
Open on eCFR
14 CFR
§145.163
Training requirements for repair stations
Current text
Open on eCFR
FAA AC
AC 145-9A
Guide for developing and evaluating repair station and quality control manuals
Current revision · Oct 2017
Open on FAA
FAA AC
AC 120-16G
Air carrier maintenance programs
Current revision · Jan 2016
Open on FAA
14 CFR
Part 147
Aviation maintenance technician schools
Current text
Open on eCFR
14 CFR
Part 65
Certification: airmen other than flight crewmembers (incl. mechanics and repairmen)
Current text
Open on eCFR
FAA form
FAA Form 8610-2
Airman certificate and/or rating application: mechanic and parachute rigger (14 CFR Part 65)
Current form
Open on FAA
FAA form
FAA Form 8610-3
Airman certificate and/or rating application: repairman (14 CFR Part 65)
Current form
Open on FAA
Human factorsErrors, and the training that prevents them
FAA AC
AC 120-72A
Maintenance human factors training
Current revision · Apr 2017
Taught in The Dirty Dozen Human FactorsHuman Factors Primer
Open on FAA
Shop and hangar safetyOSHA standards and FOD
OSHA
1910.28
Duty to have fall protection and falling object protection
Current text
Taught in Fall Prevention
Open on OSHA
OSHA
1910.95
Occupational noise exposure
Current text
Open on OSHA
OSHA
1910.132
Personal protective equipment: general requirements
Current text
Taught in Personal Protective Equipment
Open on OSHA
OSHA
1910.133
Eye and face protection
Current text
Taught in Eye and Face Protection
Open on OSHA
OSHA
1910.134
Respiratory protection
Current text
Taught in Respiratory Protection
Open on OSHA
OSHA
1910.146
Permit-required confined spaces
Current text
Taught in Aircraft Confined Space & Fuel Tank Entry Procedures
Open on OSHA
OSHA
1910.147
The control of hazardous energy (lockout/tagout)
Current text
Open on OSHA
OSHA
1910.1200
Hazard communication
Current text
Taught in Global Hazard Communication
Open on OSHA
FAA AC
AC 150/5210-24A
Airport foreign object debris (FOD) management
Current revision · Feb 2024
Taught in Foreign Object Debris (FOD)
Open on FAA
Europe (EASA)For EASA-approved organisations
EASA
Regulation (EU) No 1321/2014
Easy Access Rules for Continuing Airworthiness: Part-M, Part-145, Part-66, Part-CAMO and more
Current revision · Sep 2025
Open on EASA

This library points to official sources and does not replace them. Always work from the current revision and from your aircraft's approved data. Missing a reference you use? Tell us.

Hangar Cards

One page per course, for the workstand

Each Hangar Card sums up a course on one printed page: the rules, the numbers to remember and the check to run before the job.

Hangar CardForeign Object Debris (FOD)

Anything you can't account for is FOD until proven otherwise.

One of the four cards that are free to print. See the course for the full card.

Print this free card See the course

These four cards are free to print for anyone:

  • Foreign Object Debris (FOD)
  • The Dirty Dozen Human Factors
  • Fall Prevention
  • Corrective and Preventive Action

Every other course's card unlocks when you pass that course.

Browse all the Hangar Cards

Email me when new courses and Hangar Cards come out

One email when something new is out. Nothing else, and you can unsubscribe in one click.

Take one course free, start to finish Video, slides, the quiz and the course's Hangar Card, with a certificate when you pass. No card needed.
Start your free course