ATA chapter

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ATA Chapter ( English ATA Chapter ) are a classification for the individual systems of an aircraft . All technical equipment of the aircraft is divided into appropriate groups and subgroups, e.g. B. the tanks belong to chapter 28-10: group 28 fuel systems, subgroup 10 storage.

This system can be found on every aircraft that is certified according to FAR 25 and EASA CS-25 . This means that every civil aircraft that is used for passenger transport and / or freight transport and over 5.6 t max. Take-off weight is certified according to these regulations.

The ATA chapter is often part of the part numbers. This enables maintenance personnel, logistics personnel or even the designers to work in a uniform manner and to easily identify the aircraft systems and parts.

The acronym ATA stands for Air Transport Association .

ATA chapter

The ATA chapters are now part of the S1000D and are divided into two main groups:

  • Generic (Generic SNS)
  • Air vehicle, engines and equipment (SNS)
ATA chapter definition
  Group: General
00 Product, General
01 Not available for projects
02 Available for projects
03 Available for projects
04 Worthiness (fit for purpose) limitations
05 Scheduled / unscheduled maintenance
06 Dimensions and areas
07 Lifting, shoring, recovering and transporting
08 Leveling and weighing
09 Handling and maneuvering
10 Parking, mooring, storing and return to service
11 Placards and markings
12 Servicing
13 Available for projects
14th Product loading and offloading
15th Crew information
16 Change of role
17th Available for projects
18th Vibration and noise analysis, and attenuation
19th Available for projects
  Group: Air vehicle, engines and equipment
20th Standard practices, airframe systems
21st Environmental control
22nd Auto flight
23 Communications
24 Electrical power
25th Equipment / furnishings
26th Fire protection
27 Flight controls
28 Fuel
29 Hydraulic power
30th Ice and rain protection
31 Indicating / recording systems
32 Landing gear
33 Lights
34 navigation
35 Oxygen
36 Pneumatic
37 Vacuum
38 Water / waste
39 Attack system management
40 Operational attack functions
41 Water ballast
42 Cross-technical attack functions, Integrated Modular Avionics
43 Tactical communications
44 Cabin system
45 Central maintenance system (CMS)
46 Systems integration and display, Information system
47 Inert gas system
48 In-flight refueling tankers
49 Airborne auxiliary power
50 Cargo and accessory compartment
51 Standard practices, structures
52 Doors
53 Fuselage
54 Nacelles / pylons
55 Stabilizers
56 Windows and canopies
57 Wings
58 Not available for projects
59 Not available for projects
60 Standard practices, propeller / rotor
61 Propellers / propulsors
62 Main rotors
63 Main rotor drives
64 Tail rotor
65 Tail rotor drive
66 Folding blades / pylon
67 Rotors flight control
68 Not available for projects
69 Not available for projects
70 Standard practices, engine
71 Power plant
72 Engine
72 Engine turbine / turboprop Ducted fan / unducted fan
72 Engine reciprocating
73 Engine fuel and control
74 Ignition
75 Air
76 Engine controls
77 Engine indicating
78 Exhaust
79 Oil
80 Starting
81 Turbines
82 Water injection
83 Accessory gearboxes
84 Propulsion augmentation
85 Fuel cell systems
86 Lift system
87 Not available for projects
88 Not available for projects
89 Not available for projects
90 Recovery
91 Air vehicle wiring
92 radar
93 Surveillance
94 Weapons system
95 Crew escape and safety
96 Missiles, drones and telemetry
97 Image recording
98 Meteorological and atmospheric research
99 Electronic warfare

ATA chapter in aircraft maintenance

In aircraft maintenance as well as in aircraft construction and component production, all manufacturer, maintenance and repair manuals are divided into the so-called "ATA-100 Breakdown".

Affected manuals are e.g. B .:

  • AMM (Aircraft Maintenance Manual)
  • IPC (Illustrated Parts Catalog)
  • ASM (Aircraft Schematic Manual)
  • SRM (Structural Repair Manual)
  • AWM (Aircraft Wiring Manual)
  • CMM (Component Maintenance Manual)
  • TEM (Tool and Equipment Manual)
  • TSM / AFI (Troubleshooting Manual / Aircraft Fault Isolation (Airbus))
  • FIM (Fault Isolation Manual (Boeing))

The number system is divided into three categories

  1. System / Chapter
  2. Sub-system / section
  3. Device / division

An ATA number is broken down as follows z. B. 21-80-03

  • ATA Chapter 21
  • Section number 8
  • Subsection number 0
  • Subject number 03

There is also the so-called "Page Block Numbering". Accordingly, a page number is attached to the numbering system, which describes the exact activity to be carried out.

This is divided into the following pages, regardless of the actual pages:

description page
Description and Operation 1-99
Trouble shooting 101-199
Maintenance Practices 201-299
Servicing 301-399
Removal / installation 401-499
Adjustment / test 501-599
Inspection / Check 601-699
Cleaning / painting 701-799
Approved repairs 801-899
Example: 32-31-04-201 ( Airbus A320 )
Chapter 32 Landing Gear
Section 31 Landing Gear Control
Subject 04 Main Gear Door Latch Mechanism
page 201 First page of "Maintenance Practices"

Web links

Individual evidence

  1. Various: S1000D Issue 4.2. In: http://public.s1000d.org/Pages/Home.aspx . AeroSpace and Defense Industries Association of Europe Aerospace Industries Association of America ATA e-Business Program, December 31, 2016, accessed December 13, 2018 .