Propulsion

14.1(a) Turbine Engines (Level 1) Free Preview 14.1(b) Auxiliary Power Units (Level 1) — NEW 14.1(c) Piston Engines (Level 1) — NEW 14.1(d) Electric and Hybrid Engines (Level 1) — NEW 14.1(e) Engine Control (Level 2) 14.2 Electric/Electronic Engine Indication Systems (Level 2) 14.3 Propeller Systems (Level 2) — NEW section 14.4 Starting and Ignition Systems (Level 2)