Version: 1.0.0
Last Updated: 2026-01-27
This index maps all 79 ATA chapters to their locations within the OPT-IN Framework.
| ATA | Title | Path |
|---|---|---|
| 00 | General | O-ORGANIZATIONS/ATA_00-GENERAL/ |
| 01 | Maintenance Policy | O-ORGANIZATIONS/ATA_01-MAINTENANCE_POLICY/ |
| 02 | Operations Organization | O-ORGANIZATIONS/ATA_02-OPERATIONS_ORG/ |
| 03 | Support Information | O-ORGANIZATIONS/ATA_03-SUPPORT_INFORMATION/ |
| 04 | Airworthiness Limitations | O-ORGANIZATIONS/ATA_04-AIRWORTHINESS_LIMITATIONS/ |
| 05 | Time Limits / Maintenance Checks | O-ORGANIZATIONS/ATA_05-TIME_LIMITS_MAINT_CHECKS/ |
| ATA | Title | Path |
|---|---|---|
| 06 | Dimensions and Areas | P-PROGRAMS/ATA_06-DIMENSIONS_AND_AREAS/ |
| 07 | Lifting and Shoring | P-PROGRAMS/ATA_07-LIFTING_AND_SHORING/ |
| 08 | Leveling and Weighing | P-PROGRAMS/ATA_08-LEVELING_AND_WEIGHING/ |
| 09 | Towing and Taxiing | P-PROGRAMS/ATA_09-TOWING_AND_TAXIING/ |
| 10 | Parking, Mooring, Storage, Return to Service | P-PROGRAMS/ATA_10-PARKING_MOORING_STORAGE_RETURN_TO_SERVICE/ |
| 11 | Placards and Markings | P-PROGRAMS/ATA_11-PLACARDS_AND_MARKINGS/ |
| 12 | Servicing | P-PROGRAMS/ATA_12-SERVICING/ |
| ATA | Title | Path |
|---|---|---|
| 20 | Standard Practices - Airframe | T-.../A-AIRFRAME_CABINS/ATA_20-STANDARD_PRACTICES_AIRFRAME/ |
| 25 | Equipment / Furnishings | T-.../A-AIRFRAME_CABINS/ATA_25-EQUIPMENT_FURNISHINGS/ |
| 44 | Cabin Systems | T-.../A-AIRFRAME_CABINS/ATA_44-CABIN_SYSTEMS/ |
| 50 | Cargo and Accessory Compartments | T-.../A-AIRFRAME_CABINS/ATA_50-CARGO_AND_ACCESSORY_COMPARTMENTS/ |
| 51 | Standard Practices - General | T-.../A-AIRFRAME_CABINS/ATA_51-STANDARD_PRACTICES_GENERAL/ |
| 52 | Doors | T-.../A-AIRFRAME_CABINS/ATA_52-DOORS/ |
| 53 | Fuselage | T-.../A-AIRFRAME_CABINS/ATA_53-FUSELAGE/ |
| 54 | Nacelles / Pylons | T-.../A-AIRFRAME_CABINS/ATA_54-NACELLES_PYLONS/ |
| 55 | Stabilizers | T-.../A-AIRFRAME_CABINS/ATA_55-STABILIZERS/ |
| 56 | Windows | T-.../A-AIRFRAME_CABINS/ATA_56-WINDOWS/ |
| 57 | Wings | T-.../A-AIRFRAME_CABINS/ATA_57-WINGS/ |
| ATA | Title | Path |
|---|---|---|
| 27 | Flight Controls | T-.../M-MECHANICS/ATA_27-FLIGHT_CONTROLS/ |
| 29 | Hydraulic Power | T-.../M-MECHANICS/ATA_29-HYDRAULIC_POWER/ |
| 32 | Landing Gear | T-.../M-MECHANICS/ATA_32-LANDING_GEAR/ |
| ATA | Title | Path |
|---|---|---|
| 21 | Air Conditioning / Pressurization | T-.../E1-ENVIRONMENT/ATA_21-AIR_CONDITIONING_PRESSURIZATION/ |
| 26 | Fire Protection | T-.../E1-ENVIRONMENT/ATA_26-FIRE_PROTECTION/ |
| 30 | Ice and Rain Protection | T-.../E1-ENVIRONMENT/ATA_30-ICE_RAIN_PROTECTION/ |
| 35 | Oxygen | T-.../E1-ENVIRONMENT/ATA_35-OXYGEN/ |
| 36 | Pneumatic | T-.../E1-ENVIRONMENT/ATA_36-PNEUMATIC/ |
| 37 | Vacuum | T-.../E1-ENVIRONMENT/ATA_37-VACUUM/ |
| 38 | Water / Waste | T-.../E1-ENVIRONMENT/ATA_38-WATER_WASTE/ |
| 47 | Nitrogen Generation System | T-.../E1-ENVIRONMENT/ATA_47-NITROGEN_GENERATION_SYSTEM/ |
| ATA | Title | Path |
|---|---|---|
| 31 | Indicating / Recording | T-.../D-DATA/ATA_31-INDICATING_RECORDING/ |
| 45 | Central Maintenance System (CMS) | T-.../D-DATA/ATA_45-CENTRAL_MAINTENANCE_SYSTEM_CMS/ |
| ATA | Title | Path |
|---|---|---|
| 46 | Information Systems | T-.../I-INFORMATION/ATA_46-INFORMATION_SYSTEMS/ |
| ATA | Title | Path |
|---|---|---|
| 24 | Electrical Power | T-.../E2-ENERGY/ATA_24-ELECTRICAL_POWER/ |
| 49 | Airborne Auxiliary Power (APU) | T-.../E2-ENERGY/ATA_49-AIRBORNE_AUXILIARY_POWER_APU/ |
| ATA | Title | Path |
|---|---|---|
| 33 | Lights | T-.../E3-ELECTRICS/ATA_33-LIGHTS/ |
| 39 | Electrical/Electronic Panels | T-.../E3-ELECTRICS/ATA_39-ELECTRICAL_ELECTRONIC_PANELS_MULTIPURPOSE_COMPONENTS/ |
| ATA | Title | Path |
|---|---|---|
| — | Reserved as Required | T-.../L1-LOGICS/00_RESERVED_AS_REQUIRED/ |
| ATA | Title | Path |
|---|---|---|
| 34 | Navigation | T-.../L2-LINKS/ATA_34-NAVIGATION/ |
| ATA | Title | Path |
|---|---|---|
| 23 | Communications | T-.../C1-COMMS/ATA_23-COMMUNICATIONS/ |
| ATA | Title | Path |
|---|---|---|
| 28 | Fuel | T-.../C2-CIRCULAR_CRYOGENIC_CELLS/ATA_28-FUEL/ |
| ATA | Title | Path |
|---|---|---|
| 95 | AI/ML Models | T-.../I2-INTELLIGENCE/ATA_95-AI_ML_MODELS/ |
| 97 | Synthetic Data Validation | T-.../I2-INTELLIGENCE/ATA_97-SYNTHETIC_DATA_VALIDATION/ |
| ATA | Title | Path |
|---|---|---|
| 22 | Auto Flight | T-.../A2-AVIONICS/ATA_22-AUTO_FLIGHT/ |
| 42 | Integrated Modular Avionics | T-.../A2-AVIONICS/ATA_42-INTEGRATED_MODULAR_AVIONICS/ |
| ATA | Title | Path |
|---|---|---|
| 40 | Multisystem | T-.../O-OPERATING_SYSTEMS/ATA_40-MULTISYSTEM/ |
| ATA | Title | Path |
|---|---|---|
| 60 | Standard Practices - Propeller/Rotor | T-.../P-PROPULSION/ATA_60-STANDARD_PRACTICES_PROPELLER_ROTOR/ |
| 61 | Propellers / Propulsors | T-.../P-PROPULSION/ATA_61-PROPELLERS_PROPULSORS/ |
| 71 | Power Plant | T-.../P-PROPULSION/ATA_71-POWER_PLANT/ |
| 72 | Engine (Turbine/Turboprop/Ducted/Unducted Fan) | T-.../P-PROPULSION/ATA_72-ENGINE_TURBINE_TURBOPROP_DUCTED_UNDUCTED_FAN/ |
| 73 | Engine Fuel and Control | T-.../P-PROPULSION/ATA_73-ENGINE_FUEL_AND_CONTROL/ |
| 74 | Ignition | T-.../P-PROPULSION/ATA_74-IGNITION/ |
| 75 | Air | T-.../P-PROPULSION/ATA_75-AIR/ |
| 76 | Engine Controls | T-.../P-PROPULSION/ATA_76-ENGINE_CONTROLS/ |
| 77 | Engine Indicating | T-.../P-PROPULSION/ATA_77-ENGINE_INDICATING/ |
| 78 | Exhaust | T-.../P-PROPULSION/ATA_78-EXHAUST/ |
| 79 | Oil | T-.../P-PROPULSION/ATA_79-OIL/ |
| 80 | Starting | T-.../P-PROPULSION/ATA_80-STARTING/ |
| ATA | Title | Path |
|---|---|---|
| 03 | Support Infrastructure | I-INFRASTRUCTURES/ATA_03-SUPPORT_INFRA/ |
| 08 | Leveling and Weighing (Infra) | I-INFRASTRUCTURES/ATA_08-LEVELING_AND_WEIGHING_INFRA/ |
| 10 | Parking/Mooring/Storage/RTS (Infra) | I-INFRASTRUCTURES/ATA_10-PARKING_MOORING_STORAGE_RTS_INFRA/ |
| 12 | Servicing (Infra) | I-INFRASTRUCTURES/ATA_12-SERVICING_INFRA/ |
| 85 | Fuel Cell Systems (Infra) | I-INFRASTRUCTURES/ATA_85-FUEL_CELL_SYSTEMS_INFRA/ |
| IN | H₂ GSE and Supply Chain | I-INFRASTRUCTURES/ATA_IN_H2_GSE_AND_SUPPLY_CHAIN/ |
| ATA | Title | Path |
|---|---|---|
| 96 | Traceability / DPP Ledger | N-NEURAL_NETWORKS/ATA_96-TRACEABILITY_DPP_LEDGER/ |
| 98 | Reserved Program Slot | N-NEURAL_NETWORKS/ATA_98-RESERVED_PROGRAM_SLOT/ |
| ATA | Axis | Subdomain |
|---|---|---|
| 00-05 | O-ORGANIZATIONS | — |
| 06-12 | P-PROGRAMS | — |
| 20-25 | T-TECHNOLOGIES | A-AIRFRAME_CABINS |
| 21, 26, 30, 35-38, 47 | T-TECHNOLOGIES | E1-ENVIRONMENT |
| 22, 42 | T-TECHNOLOGIES | A2-AVIONICS |
| 23 | T-TECHNOLOGIES | C1-COMMS |
| 24, 49 | T-TECHNOLOGIES | E2-ENERGY |
| 27, 29, 32 | T-TECHNOLOGIES | M-MECHANICS |
| 28 | T-TECHNOLOGIES | C2-CIRCULAR_CRYOGENIC_CELLS |
| 31, 45 | T-TECHNOLOGIES | D-DATA |
| 33, 39 | T-TECHNOLOGIES | E3-ELECTRICS |
| 34 | T-TECHNOLOGIES | L2-LINKS |
| 40 | T-TECHNOLOGIES | O-OPERATING_SYSTEMS |
| 44, 50-57 | T-TECHNOLOGIES | A-AIRFRAME_CABINS |
| 46 | T-TECHNOLOGIES | I-INFORMATION |
| 60-61, 71-80 | T-TECHNOLOGIES | P-PROPULSION |
| 85, IN | I-INFRASTRUCTURES | — |
| 95, 97 | T-TECHNOLOGIES | I2-INTELLIGENCE |
| 96, 98 | N-NEURAL_NETWORKS | — |
| Symbol | Meaning |
|---|---|
| ATA XX | ATA chapter number |
| T-... | Abbreviation for T-TECHNOLOGIES_AMEDEOPELLICCIA-ON_BOARD_SYSTEMS |
| (Infra) | Infrastructure variant of a chapter |
| — | Not applicable or direct child |