ATA chapter numbers

The ATA Chapter numbers provide a common referencing standard for all commercial aircraft documentation. This commonality permits greater ease of learning and understanding for pilots, aircraft maintenance technicians, and engineers alike. The standard numbering system is controlled and published by the Air Transport Association.

ATA Chapters

AIRCRAFT GENERAL

ATA Number	ATA Chapter name
ATA 05	TIME LIMITS/MAINTENANCE CHECKS
ATA 06	DIMENSIONS AND AREAS
ATA 07	LIFTING AND SHORING
ATA 08	LEVELING AND WEIGHING
ATA 09	TOWING AND TAXIING
ATA 10	PARKING, MOORING, STORAGE AND RETURN TO SERVICE
ATA 11	PLACARDS AND MARKINGS
ATA 12	SERVICING - ROUTINE MAINTENANCE

AIRFRAME SYSTEMS

ATA Number	ATA Chapter name
ATA 20	STANDARD PRACTICES – AIRFRAME
ATA 21	AIR CONDITIONING AND PRESSURIZATION
ATA 22	AUTOFLIGHT
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 45	DIAGNOSTIC AND MAINTENANCE SYSTEM
ATA 46	INFORMATION SYSTEMS
ATA 47	NITROGEN GENERATION SYSTEM
ATA 48	IN FLIGHT FUEL DISPENSING
ATA 49	AIRBORNE AUXILIARY POWER
ATA 50	CARGO AND ACCESSORY COMPARTMENTS

STRUCTURE

ATA Number	ATA Chapter name
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

POWER PLANT

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