• ATA 00 – Documentation

• ATA 01 – Aircraft General

• ATA 05 – Scheduled/Unscheduled Maintenance

• ATA 06 – Dimensions/Areas

• ATA 07 – Lifting, Shoring, Recovering, and Transporting

• ATA 08 – Leveling and Weighing

ATA 09 – Handling and Manuevering

• Towing, Landing Gear Downlock Safety Pins, Taxiing, A220-100 Turning Radius, A220-300 Turning Radius, Hazard Areas, Engine lntake and Exhaust Hazard Areas, Parking, Mooring, Storing, and Return to Service, Covers and Plugs, Exterior Plugs, Grounding, Landing Gear Grounding Studs.

ATA 11 – Placards and Markings

• External Placards and Markings, lnterior Placards.

ATA 12 – Servicing

• Servicing Panels and Doors, Ground Support Equipment Placement.

ATA 21 – Air Conditioning

• Control System, Air Conditioning Pack, Recirculation Air Distribution System, Trim Air, Temperature Control System, Cabin Air Distribution, Heating, Flight Crew Floor Heating, Galley Heating System, Equipment Cooling Overview, Air lnlet Cooling System, Air Extraction System, Backup Exhaust System, Cabin Pressure Control System, Controls and lndications, Controls, Indications.

ATA 22 – Autoflight

• Flight Guidance, Autopilot, Autoland, Autothrottle, Controls and lndications, Flight Control Panel, Primary Displays.

ATA 23 – Communication

• Communication Management, Tuning and Controls, Radio Management System, Audio lntegrating System, Audio lntegrating System, Voice Communication, VHF and HF (Optional) Communication System, Data Communication, Selective Calling System, Airborne Data link System, Flight Deck Printer, Cockpit Voice Recorder, Static Discharging.

ATA 24 – Electrical Power

• Electrical Power Generation, AC Power Generation, DC Power Generation, Power Distribution System, Emergency Electrical Generation, Ram Air Turbine, Controls and lndications, Electrical Panels, Electrical Service Panel, Electrical Synoptic Page, Circuit Breaker Application, Special Tools, Safety.

ATA 25 – Equipment and Furnishings

• Flight Deck, Passenger Cabin, Galleys, Lavatories, Emergency Equipment, Emergency Locator Transmitter, Escape Slides.

ATA 26 – Fire Protection

• Fire Detection Areas, Fire Extinguishing Areas, FIDEX Control Unit, Engine Fire Detection and Extinguishing, APU Fire Detection and Extinguishing, Main Wheel Well Overheat Detection, Avionics and Electrical Bay Smoke Detection, Cargo Smoke Detection and Fire Extinguishing, Lavatory Smoke Detection and Fire Extinguishing, Portable Fire Extinguishers.

ATA 27 – Flight Controls

• Fly-By-Wire, Electronic Flight Controls, Sidestick Controllers, Primary Flight Controls Panel, Flight Controls lndications, Electronic Flight Control System, Normal Mode, Alternate Flight Control Unit Direct Mode, Electronic Flight Control System Surface Actuation, Non-Electronic Flight Control System, High Lift Systems and Control, Lift System Architecture.

ATA 28 – Fuel System

• Fuel Quantity Computer, Fuel Storage, Vent System, Refuel/Defuel System, Refuelling, Defueling, Engine Fuel Feed, APU Fuel Feed, Fuel Transfer System, Fuel Controls and lndications, Safety.

ATA 29 – Hydraulics

• Hydraulic System No. 1, No. 2 and No. 3, Controls and lndications, Hydraulic Panel, Hydraulic Synoptic Page, Servicing, Safety.

ATA 30- Ice & Rain Protection

• Ice Detection System, Wing Anti-lce System, Cowl Anti-lce System, Probe Heat System, Windshield and Side Window Heating System, Windshield Wiper System, Controls and lndications.

ATA 31 – Indicating and Recording Systems

• Instruments and Control Panels, Controls and lndications, AFDX, lntegrated Avionics Processing, Electronic Flight Instrument System, Engine Indication and Crew Alerting System, Controls and Indications, Flight Data Recorder.

ATA 32 – Landing Gear

• Extension and Retraction, Uplock Actuators, landing Gear Indicating System, Wheels and Brakes, Nosewheel Steering System, Controls and Indications, Flight Deck Controls, External Controls, Indications.

ATA 33 – Lighting System

• Flight Deck Lighting, General Cabin lights, Emergency Lighting, Emergency Power Units, Controls and lndications, Exterior lights, Cargo Compartment lights, Service and Maintenance lighting.

ATA 34 – Navigation

• Air Data System, lnertial Reference System, Standby Flight Instruments, Standby Compass, Navigation Tuning, Autotuning, VHF Navigation System, Instrument Landing System and Marker Beacon, Distance Measuring Equipment System, Global Navigation Satellite System, Radio Altimeter System, Weather Radar System, Terrain Awareness and Warning System, Traffic Surveillance System, Flight Management System.

ATA 35 – Oxygen

• Crew Oxygen, Passenger Oxygen, Portable Oxygen.

ATA 36 – Pneumatic

• lntegrated Air Management System, Pneumatics, Bleed Air Sources, Engine Bleed Air, APU Bleed Air, High-Pressure Ground Connection, Bleed Air Leak and Overheat Detection System, Controls and Indications.

ATA 38 – Water and Waste

• Potable Water System, Gray Water Drains, Vacuum Waste System, Controls and Indications.

ATA 44 – Cabin Systems

• Cabin Management System, Aircraft Systems, Cabin and Passenger Functions, Onboard Communication, Emergency Evacuation System, ln-flight Entertainment and Connectivity.

ATA 45 – Central Maintenance System

• A220 Series Maintenance Philosophy, Onboard Maintenance System, Onboard Diagnostics, Aircraft Condition Monitoring, Configuration and Reporting.

ATA 46 – Information System

• Information Management System, Aircraft Health Management, Aircraft Network Switch.

ATA 47 – Fuel Tank Inerting System

• Fuel Tank lnerting System, System Generation, Distribution.

ATA 49 – Airborne Auxiliary Power

• APU Construction, General Description, Power Section, Load Compressor Section, Accessory Gearbox, Installation, APU Oil System, APU Fuel System, APU Starting and lgnition, APU Air System, Controls and lndications, EICAS and Status Pages.

ATA 50 – Cargo Compartments

• Forward Cargo Compartment, Aft Cargo Compartment, Compartment Nets.

ATA 51 – Standard Practices

• Aircraft Structure Repair Publication, Standard Practices – Structures, AMM 51-10-00 investigation, Clean-up, and Aerodynamic Smoothness, Damage Assessment, Permitted Damage, Repairable Damage, Composite Damage Assessment.

ATA 52 – Passenger and Service Doors

• Overwing Emergency Exit Doors, Cargo Compartment Doors, Equipment Bay Doors, Remote Access System, Controls and lndications.

ATA 71 – Powerplant

• Power Plant Subsystems, Nacelle Systems, Power Door Operating System, Engine Mounts and Pylons, Engine Fuel and Control, Fuel Distribution System, FADEC System, Fuel indicating, Ignition and Starting, Engine Cooling, Turbine Active Clearance Control, Engine Controls, Engine lndicating System, Exhaust, Thrust Reverser Actuation, Thrust Reverser Control, Thrust Reverser lndicating, Oil, Starting.