At present, the maintenance capabilities involve multiple ATA chapters, including air conditioning systems, automatic flight, communication, power supply, cabin equipment, fire protection, flight control, fuel, hydraulics, anti-icing and rain removal, indication/recording, landing gear, lighting, navigation, pneumatics, water/waste disposal, electrical/electronic components and multifunctional assemblies, nitrogen generation, auxiliary power, doors, propellers, engines, engine fuel and control, ignition, air, engine exhaust, lubricating oil, and so on. It covers various aircraft models such as BOEING, AIRBUS, ARJ, ERJ, CRJ, etc.