ATA 21 AIR CONDITIONING AND PRESSURIZATION
ATA 22 AUTO FLIGHT
ATA 23 COMMUNICATIONS
ATA 24 ELECTRICAL POWER
ATA 25 EQUIPMENT / FURNISHINGS
ATA 26 FIRE PROTECTION
ATA 27 FLIGHT CONTROLS
ATA 28 FUEL
ATA 29 HYDRAULIC POWER
ATA 30 ICE AND RAIN PROTECTION
ATA 31 INDICATING / RECORDING SYSTEM
ATA 32 LANDING GEAR
ATA 33 LIGHTS
ATA 34 NAVIGATION
ATA 35 OXYGEN
ATA 36 PNEUMATIC
ATA 37 VACUUM
ATA 38 WATER / WASTE
ATA 39 ELECTRICAL - ELECTRONIC PANELS AND MULTIPURPOSE COMPONENTS
ATA 40 MULTISYSTEM
ATA 41 WATER BALLAST
ATA 42 INTEGRATED MODULAR AVIONICS
ATA 44 CABIN SYSTEMS
ATA 45 ONBOARD MAINTENANCE SYSTEMS (OMS)
ATA 46 INFORMATION SYSTEMS
ATA 47 INERT GAS SYSTEM
ATA 48 IN FLIGHT FUEL DISPENSING
ATA 49 AUXILIARY POWER UNIT
ATA 50 CARGO AND ACCESSORY COMPARTMENTS
ATA 51 STANDARD PRACTICES AND STRUCTURES - GENERAL
ATA 52 DOORS
ATA 53 FUSELAGE
ATA 54 NACELLES / PYLONS
ATA 55 STABILIZERS
ATA 56 WINDOWS
ATA 57 WINGS
ATA 71 POWER PLANT
ATA 72 ENGINE
ATA 73 ENGINE - FUEL AND CONTROL
ATA 74 IGNITION
ATA 75 BLEED AIR
ATA 76 ENGINE CONTROLS
ATA 77 ENGINE INDICATING
ATA 78 EXHAUST
ATA 79 OIL
ATA 80 STARTING
ATA 82 WATER INJECTION
ATA 83 ACCESSORY GEAR BOX (ENGINE DRIVEN)
ATA 84 PROPULSION AUGMENTATION
ATA 85 FUEL CELL SYSTEMS