21-AIR CONDITIONING,22-AUTO FLIGHT,23-COMMUNICATIONS,24-ELECTRICAL POWER,25-EQUIPMENT / FURNISHINGS,26-FIRE PROTECTION,27-FLIGHT CONTROLS,28-FUEL,29-HYDRAULIC POWER,30-ICE AND RAIN PROTECTION,31-INDICATING / RECORDING SYSTEMS,32-LANDING GEAR,33-LIGHTS,34-NAVIGATION,36-PNEUMATIC,38-WATER / WASTE,44-CABIN SYSTEM,49-AIRBORNE AUXILIARY POWER,52-DOORS,61-PROPELLERS,65-TAIL ROTOR DRIVE,73-ENGINE FUEL & CONTROL,74-IGNITION,75-AIR,77-ENGINE INDICATING,78-ENGINE EXHAUST,79-ENGINE OIL,80-STARTING Detail as listed in CAAC approved maintenance capability list |