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Reference · engineering / MRO
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The ATA 100 / iSpec 2200 chapter set is the standard reference for organizing aviation maintenance documentation by system. PartsPerk uses ATA chapters to cross-link parts categories with the engineering systems they belong to.
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ATA 20
Airframe maintenance practices, fasteners, and bonding.
ATA 21
Cabin pressurization, distribution, and temperature control.
ATA 24
AC / DC generation, distribution, and protection.
ATA 25
Cabin interior, seats, galleys, lavatories, cargo systems.
ATA 26
Fire detection, extinguishing, and smoke detection.
ATA 27
Primary and secondary surfaces, fly-by-wire actuation.
ATA 28
Storage, distribution, indicating, and dump.
ATA 29
Hydraulic generation, distribution, and indicating.
ATA 30
Anti-ice, de-ice, and rain removal.
ATA 32
Main / nose gear, brakes, wheels, steering.
ATA 33
Flight compartment, passenger compartment, exterior lighting.
ATA 35
Crew and passenger oxygen distribution.
ATA 36
Bleed-air distribution, valves, and ducting.
ATA 51
Airframe structural standard practices.
ATA 52
Passenger, cargo, service, emergency exit doors.
ATA 53
Fuselage structure and pressurization shell.
ATA 54
Engine nacelle structures and pylon attachments.
ATA 55
Horizontal and vertical stabilizer structures.
ATA 56
Flight compartment, passenger, and door windows.
ATA 57
Wing structure and control-surface attachments.
ATA 49
APU airborne auxiliary power systems.
ATA 70
Powerplant maintenance practices.
ATA 71
Engine cowling, mounts, and overall powerplant.
ATA 72
Compressor, combustion, turbine, accessory drives.
ATA 73
Engine fuel distribution, control, and indicating.
ATA 75
Engine bleed-air, anti-ice, and starter.
ATA 79
Engine oil storage, distribution, and indicating.
ATA 22
Autopilot, autothrottle, and flight director systems.
ATA 23
VHF / HF / SATCOM radios, audio integrating, and ACARS.
ATA 31
EFIS displays, FDR, CVR, central maintenance.
ATA 34
GPS, FMS, VOR / ILS, ADS-B, weather radar.
ATA 62
Main rotor blades, hubs, and pitch-control linkages.
ATA 63
Main gearbox, freewheel, and drive shafts.
ATA 64
Tail rotor blades, hubs, and pitch change.
ATA 65
Tail rotor drive shafts and intermediate gearbox.