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Online learning

Learn aircraft systems, maintenance and certification

8 tracks and 41 short lessons, each with a quiz. Free to read, built on FAA handbooks and advisory circulars, and on airliner training material.

0 of 41 lessons complete. Progress is saved in this browser.

About 11 hours of reading in total. Pass a lesson's quiz to mark it complete.

5 lessons · about 76 min

Maintenance Foundations

How safe, legal and well-documented maintenance works: ramp safety, the rules and records behind every signature, human factors, corrosion and inspection.

0 of 5 complete0%
  1. 1.Ramp and hangar safety
  2. 2.Regulations, approved data and maintenance records
  3. 3.Human factors and the Dirty Dozen
  4. 4.Corrosion: types, detection, prevention and treatment
  5. 5.Inspection levels and nondestructive inspection (NDI)
5 lessons · about 78 min

Flight Operations, Weather and Navigation

The flying side every engineer and technician should understand: how wings make lift, weight and balance, aviation weather, performance-based navigation and RVSM, and practical risk management.

0 of 5 complete0%
  1. 1.How aircraft fly
  2. 2.Weight and balance
  3. 3.Aviation weather essentials
  4. 4.Performance-based navigation (PBN) and RVSM
  5. 5.Practical risk management
5 lessons · about 87 min

Aircraft Electrical Systems and EWIS

From Ohm's law to a transport aircraft's power network, wiring practice, EWIS certification under Part 25 Subpart H, and system safety analysis.

0 of 5 complete0%
  1. 1.Electricity fundamentals for aircraft
  2. 2.Power generation and distribution on a transport aircraft
  3. 3.Wiring installation practices
  4. 4.EWIS: wiring as a system
  5. 5.System safety: the 25.1309 approach
6 lessons · about 110 min

Airframe Systems

How the big systems of a transport aircraft work: hydraulic power, fly-by-wire flight controls, landing gear, fuel, air conditioning and pressurization, ice and fire protection.

0 of 6 complete0%
  1. 1.Hydraulic power systems
  2. 2.Flight controls and fly-by-wire
  3. 3.Landing gear, brakes and tyres
  4. 4.Fuel systems
  5. 5.Air conditioning, pneumatics and pressurization
  6. 6.Ice, rain and fire protection
5 lessons · about 87 min

Powerplant and APU

How turbofan engines make thrust, how FADEC controls them, how they start, how they are lubricated and monitored, and how maintenance engine runs and taxiing are done safely.

0 of 5 complete0%
  1. 1.Turbine engine fundamentals
  2. 2.FADEC and engine fuel control
  3. 3.Starting, ignition and the APU
  4. 4.Lubrication and engine condition monitoring
  5. 5.Maintenance engine runs and taxiing
5 lessons · about 83 min

Structures and Repair

How airframes carry load and resist fatigue, the rules behind sheet-metal and composite repair, how a structural repair manual is organised, and when a fabricated part or alteration needs approval.

0 of 5 complete0%
  1. 1.Structural design, fatigue and damage tolerance
  2. 2.Sheet-metal repair principles
  3. 3.Composite structures: damage and repair
  4. 4.Reading a structural repair manual
  5. 5.Fabricated parts and alterations
5 lessons · about 54 min

Airliner Maintenance Documents and Troubleshooting

How Boeing and Airbus maintenance manuals are organised, how central maintenance computers and data buses help isolate faults, how items are deferred under the MEL, and how flight data drives a hard-landing inspection.

0 of 5 complete0%
  1. 1.The ATA chapter system
  2. 2.Reading the aircraft maintenance manual
  3. 3.Troubleshooting with maintenance computers and data buses
  4. 4.Deferring defects: the MEL and CDL
  5. 5.From flight data to a hard-landing inspection
5 lessons · about 55 min

Certification, Quality and Flight Test

How products are certified and kept airworthy, how the FAA delegates through designees, how aerospace quality systems work, how a flight-test plan is built, and how compasses are calibrated.

0 of 5 complete0%
  1. 1.Type certification and continued airworthiness
  2. 2.Designees and delegation: DER, DAR and ODA
  3. 3.Aerospace quality management systems
  4. 4.Building a flight-test plan
  5. 5.Calibrating the magnetic compass

Lessons are original AviationDevy teaching material for general education. They are not reproduced from any manufacturer manual and are not a substitute for type-specific training or the current approved data for your aircraft. Unfamiliar term? Try the aircraft systems glossary.