Aviation Abbreviations Glossary

Term	Main definition
ATM	Air Traffic Management
ATM	Available Ton-Mile
ATLAS	Abbreviated Test Language for Avionics Systems
ATLAS	Abbreviated Test Language for All Systems
ATIS	Automatic Terminal Information Service
ATIMS	Air Traffic and Information Management System
ATI	Air Transport Indicator
ATEC	Automatic Test Equipment Complex
ATE	Automatic Test Equipment
ATD	Aircraft Technical Definition
ATD	Actual Time of Departure
ATCSS	Air Traffic Control Data Link Signalling
ATCRB	Air Traffic Control Radar Beacon
ATCO	Air Traffic Controller
ATCK	Attack
ATCI	Air Traffic Control and Information
ATCH	Attach(ment)
ATCDB	Aircraft Technical Characteristics Data Base
ATCA	Air Traffic Control Board
ATC	Air Traffic Control
ATC	Airbus Training Center
ATB	ATA 100 Breakdown
ATAM	Airbus Takeoff Analysis Module
ATA	Air Transport Association
ATA	Actual Time of Arrival