ATA CODES Air Transport Association

00	Introduction
01	Operations Information
05	Periodic Inspections
	00	General
	10	Time Limits
	20	Scheduled Maintenance Checks
	30	[As Required]
	40	[As Required]
	50	Unscheduled Maintenance Checks
06	Dimensions & Areas
07	Lifting & Shoring
	00	General
	10	Jacking
	20	Shoring
08	Leveling & Weighing
	00	General
	10	Weighing & Balancing
	20	Leveling
09	Towing & Taxiing
	00	General
	10	Towing
	20	Taxiing
10	Parking, Mooring, Storage & Return To Service
	00	General
	10	Parking / Storage
	20	Mooring
	30	Return To Service
11	Placards & Markings
	00	General
	10	Exterior Colour Schemes & Markings
	20	Exterior Placards & Markings
	30	Interior Placards
12	Servicing Routine Maintenance
	00	General
	10	Replenishing
	20	Scheduled Servicing
	30	Unscheduled Servicing
18	Vibration & Noise Analysis (Helicopter Only)
	00	General
	10	Vibration Analysis
	20	Noise Analysis
GROUP DEFINITION - AIRFRAME SYSTEMS
20	Standard Practices - Airframe
21	Air Conditioning
	00	General
	10	Compression
	20	Distribution
	30	Pressurization Control
	40	Heating
	50	Cooling
	60	Temperature Control
	70	Moisture / Air Contaminant Control
	97	Wiring Discrepancies
22	Auto Flight
	00	General
	10	Autopilot
	20	Speed - Attitude Correction
	30	Auto Throttle
	40	System Monitor
	50	Aerodynamic Load Alleviating
	97	Wiring Discrepancies
23	Communications
	00	General
	10	Speech Communications
	15	SATCOM
	20	Data Transmission & Automatic Calling
	30	Passenger Address, Entertainment, & Comfort
	40	Interphone
	50	Audio Integrating
	60	Static Discharging
	70	Audio & Video Monitoring
	80	Integrated Automatic Tuning
	97	Wiring Discrepancies
24	Electrical Power
	00	General
	10	Generator Drive
	20	AC Generation
	30	DC Generation
	40	External Power
	50	AC Electrical Load Distribution
	60	DC Electrical Load Distribution
	70	Primary & Secondary Power
	97	Wiring Discrepancies
25	Equipment / Furnishings
	00	General
	10	Flight Compartment
	20	Passenger Compartment
	30	Buffet / Galley
	40	Lavatories
	50	Cargo Compartments
	60	Emergency
	70	Accessory Compartments
	80	Insulation
	97	Wiring Discrepancies
26	Fire Protection
	00	General
	10	Detection
	20	Extinguishing
	30	Explosion Suppression
	97	Wiring Discrepancies
27	Flight Controls
	00	General
	10	Aileron & Tab
	20	Rudder & Tab
	30	Elevator & Tab
	40	Horizontal Stabilizer / Stabilator
	50	Flaps
	60	Spoiler, Drag Devices & Variable Aerodynamic Fairings
	70	Gust Lock & Damper
	80	Lift Augmenting
	97	Wiring Discrepancies
28	Fuel
	00	General
	10	Storage
	20	Distribution - Drain Valves
	30	Dump
	40	Indicating
29	Hydraulic Power
	00	General
	10	Main
	20	Auxiliary
	30	Indicating
	97	Wiring Discrepancies
30	Ice & Rain Protection
	00	General
	10	Airfoil
	20	Air Intakes
	30	Pitot & Static
	40	Windows, Windshields, & Doors
	50	Antennas & Radomes
	60	Propellers / Rotors
	70	Water Lines
	80	Detection
	97	Wiring Discrepancies
31	Indicating / Recording Systems
	00	General
	10	Instrument & Control Panels
	20	Independent Instruments
	30	Recorders
	40	Central Computers
	50	Central Warning Systems
	60	Central Display Systems
	70	Automatic Data Reporting Systems
	97	Wiring Discrepancies
32	Landing Gear
	00	General
	10	Main Gear & Doors
	20	Nose Gear / Tail Gear & Doors
	30	Extension & Retraction
	40	Wheels & Brakes
	50	Steering
	60	Position and Warning
	70	Supplementary Gear
	97	Wiring Discrepancies
33	Lights
	00	General
	10	Flight Compartment
	20	Passenger Compartment
	30	Cargo & Service Compartments
	40	Exterior Lighting
	50	Emergency Lighting
	97	Wiring Discrepancies
34	Navigation
	00	General
	10	Flight Environment Data
	20	Attitude & Direction
	30	Landing & Taxiing Aids
	40	Independent Position Determining
	50	Dependent Position Determining
	60	Flight Management Computing
	97	Wiring Discrepancies
35	Oxygen
	00	General
	10	Crew
	20	Passenger
	30	Portable
	97	Wiring Discrepancies
36	Pneumatic
	00	General
	10	Distribution
	20	Indicating
	97	Wiring Discrepancies
37	Vacuum
	00	General
	10	Distribution
	20	Indicating
	97	Wiring Discrepancies
38	Water / Waste
	00	General
	10	Potable
	20	Wash
	30	Waste Disposal
	40	Air Supply
39	Electrical  Electronic Panels & Multipurpose Compts - UNASSIGNED 2006
	00	General
	10	Instrument & Control Panels
	20	Electrical & Electronic Equipment Racks
	30	Electrical & Electronic Junction Boxes
	40	Multipurpose Electronic Components
	50	Integrated Circuits
	60	Printed Circuit Card Assemblies
41	Water Ballast
	00	General
	10	Storage
	20	Dump
	30	Indication
42	Integrated Modular Avionics
	00	General
	20	Core System
	30	Network Components
44	Cabin Systems
	00	General
	10	Cabin Core System
	20	Inflight Entertainment System
	30	External Communication System
	40	Cabin Mass Memory System
	50	Cabin Monitoring System
	60	Miscellaneous Cabin System
	97	Wiring Discrepancies
45	Central Maintenance System (CMS)
	00	General
	05	CMS / Aircraft General
	19	CMS / Aircraft General
	20	CMS / Airframe Systems
	44	CMS / Airframe Systems
	45	Central Maintenance System
	50	CMS / Structures
	59	CMS / Structures
	60	CMS / Propellers
	69	CMS / Propellers
	70	CMS / Power Plant
	89	CMS / Power Plant
	97	Wiring Discrepancies
46	Information Systems
	00	General
	10	Airplane General Information Systems
	20	Flight Deck Information Systems
	30	Maintenance Information Systems
	40	Passenger Cabin Information Systems
	50	Miscellaneous Information Systems
47	Inert Gas System
	00	General
	10	Generation/Storage
	20	Distribution
	30	Control
	40	Indicating
49	Airborne Auxiliary Power
	00	General
	10	Power Plant
	20	Engine
	30	Engine Fuel & Control
	40	Ignition / Starting
	50	Air
	60	Engine Controls
	70	Indicating
	80	Exhaust
	90	Oil
50	Cargo and Accessory Compartments
	00	General
	10	Cargo Compartments
	20	Cargo Loading Systems
	30	Cargo Related Systems
	40	Unassigned
	50	Accessory Compartments
	60	Insulation
	97	Wiring Discrepancies
GROUP DEFINITION - STRUCTURES
51	Standard Practices & Structures  General
	00	General
	10	Investigation, Cleanup & Aerodynamic Smoothness
	20	Processes
	30	Materials
	40	Fasteners
	50	Support of Airplane for Repair & Alignment Check Procedures
	60	Control-Surface Balancing
	70	Repairs
	80	Electrical Bonding
52	Doors
	00	General
	10	Passenger / Crew
	20	Emergency Exit
	30	Cargo
	40	Service
	50	Fixed Interior
	60	Entrance Stairs
	70	Monitoring & Operation
	80	Landing Gear
53	Fuselage
	00	General (10 through 90 Fuselage Sections)
	10	Main Frame
	20	Auxiliary Structure
	30	Plates-Skin
	40	Attach Fittings
	50	Aerodynamic Fairings
	60	[As Required]
	70	[As Required]
	80	[As Required]
	90	[As Required]
54	Nacelles / Pylons
	00	General
	10	Nacelle
	20	Nacelle
	30	Nacelle
	40	Nacelle
	50	Pylon
	60	Pylon
	70	Pylon
	80	Pylon
55	Stabilizers
	00	General
	10	Horizontal Stabilizer / Stabilator Or Canard
	20	Elevator
	30	Vertical Stabilizer
	40	Rudder
56	Windows
	00	General
	10	Flight Compartment
	20	Passenger Compartment
	30	Door
	40	Inspection & Observation
57	Wings
	00	General
	10	Center Wing
	20	Outer Wing
	30	Wing Tip
	40	Leading Edge & Leading Edge Devices
	50	Trailing Edge & Trailing Edge Devices
	60	Ailerons & Elevons
	70	Spoilers
	80	[As Required]
	90	Wing Folding System
GROUP DEFINITION PROPELLER / ROTOR
60	Standard Practices - Propeller / Rotor
61	Propellers / Propulsion
	00	General
	10	Propeller Assembly
	20	Controlling
	30	Braking
	40	Indicating
	50	Propulsor Duct
	97	Wiring Discrepancies
62	Rotors
	00	General
	10	Rotor Blades
	20	Rotor Head(S)
	30	Rotor Shaft(S) / Swashplate Assembly(Ies)
	40	Indicating
63	Rotor Drive(s)
	00	General
	10	Engine / Gearbox Couplings
	20	Gearbox(es)
	30	Mounts, Attachments
	40	Indicating
64	Tail Rotor
	00	General
	10	Rotor Blades
	20	Rotor Head
	30	[Unassigned]
	40	Indicating
65	Tail Rotor Drive
	00	General
	10	Shafts
	20	Gearboxes
	30	[Unassigned]
	40	Indicating
66	Folding Blades & Tail Pylon
	00	General
	10	Rotor Blades
	20	Tail Pylon
	30	Controls & Indicating
67	Rotors Flight Control
	00	General
	10	Rotor Control
	20	Anti-Torque Rotor Control (Yaw Control)
	30	Servo-Control System
	97	Wiring Discrepancies
GROUP DEFINITION - POWER PLANT
70	Standard Practices  Engine
71	Power Plant  General
	00	General
	10	Cowling
	20	Mounts
	30	Fireseals
	40	Attach Fittings
	50	Electrical Harness
	60	Air Intakes
	70	Engine Drains
72	Engine  Turbine/Turboprop, Ducted Fan/Unducted Fan
	00	General
	10	(Turboprop &/Or Front Mounted Driven Propulsor)
	20	Air Inlet Section
	30	Compressor Section
	40	Combustion Section
	50	Turbine Section
	60	Accessory Drives
	70	By-Pass Section
	80	Propulsor Section (Rear Mounted)
73	Engine  Fuel & Control
	00	General
	10	Distribution
	20	Controlling
	30	Indicating
	97	Wiring Discrepancies
74	Ignition
	00	General
	10	Electrical Power Supply
	20	Distribution
	30	Switching
	97	Wiring Discrepancies
75	Air
	00	General
	10	Engine Anti-Icing
	20	Cooling
	30	Compressor Control
	40	Indicating
76	Engine Controls
	00	General
	10	Power Control
	20	Emergency Shutdown
	97	Wiring Discrepancies
77	Engine Indicating
	00	General
	10	Power
	20	Temperature
	30	Analyzers
	40	Integrated Engine Instrument Systems
	97	Wiring Discrepancies
78	Exhaust
	00	General
	10	Collector - Nozzle
	20	Noise Suppressor
	30	Thrust Reverser
	40	Supplemental Air
	97	Wiring Discrepancies
79	Oil
	00	General
	10	Storage
	20	Distribution
	30	Indicating
	97	Wiring Discrepancies
80	Starting
	00	General
	10	Cranking
81	Turbines
	00	General
	10	Power Recovery
	20	Turbo-Supercharger
82	Water Injection
	00	General
	10	Storage
	20	Distrubution
	30	Dumping & Purging
	40	Indicating
83	Accessory Gear Boxes
	00	General
	10	Drive Shaft Section
	20	Gear Box Section
84	Propulsion Augmentation
	00	General
	10	Jet Assist Takeoff
91	Charts
115	Flight Simulator Systems
116	Flight Simulator Cuing Systems