ATR 72 - 500
Σ: 59
Air Conditioning
Σ: 7
Communication System
Σ: 48
Electrical System
Σ: 21
Fire Protection
Σ: 30
Flight Controls
Σ: 26
Flight Instruments
Σ: 50
Fuel system
Σ: 26
Ice & Rain protection
Σ: 22
Hydraulic system
Σ: 46
Landing Gear
Σ: 3
Navigation System
Σ: 21
Pneumatic System
Σ: 47
Power Plant
Σ: 113
Numbers
Σ: 4
Emergency equipment
Σ: 87
Systems
Σ: 34
Speeds