Lesson 1 Principles of Helicopter Flight Lesson 2 Construction of Helicopter Lesson 3 Construction of Fixed-Wing Aircraft Lesson 4 Fundamentals of Rotors Lesson 5 Technieal Documentation Lesson 6 Common Hand Tools(I) Lesson 7 Common Hand Tools rII) Lesson 8 Rotor System Lesson 9 Helicopter Flight Control Lesson 10 Transmission System Lesson 11 Landing Gear System Lesson 12 Hydraulic System Lesson 13 Fuel System Lesson 14 Instrument System Lesson 15 Aircraft Avionies System Lesson 16 Eleetrical System Lesson 17 Principles of Turboshaft Engine Lesson 18 Construction of Truboshaft Engine Lesson 19 Principles of Turbofan Engine Lesson 20 Construction of Turbofan Engine Lesson 21 Principles of Reciprocating Engine Lesson 22 Construction of Reciprocating Engine Phrases and Words References