Understand the term. See where it applies. Keep learning.
Start with a clear definition, then connect the term to aircraft, ATA chapters, technical resources, videos, discussions and real maintenance lessons.
Glossary explanations support understanding. Approved manuals, engineering instructions and company procedures remain the authority for maintenance action.
13 definitions found
AD
AD, Airworthiness DirectiveAirworthiness Directive: a legally enforceable requirement addressing an unsafe condition.
Understand and continue →Airworthiness
continued airworthiness conditionThe condition of an aircraft or product meeting its approved design and being safe for operation.
Understand and continue →AMM
Aircraft Maintenance Manual, AMMAircraft Maintenance Manual: the controlled aircraft-specific source for maintenance procedures and system descriptions.
Understand and continue →ATA
Air Transport Association chapter system, ATA, ATA chapter systemA common chapter-numbering system used to organize aircraft systems and technical information.
Understand and continue →APU
APU, Auxiliary Power UnitAuxiliary Power Unit: a small gas turbine that can provide aircraft power and starting support.
Understand and continue →Air-conditioning pack
air conditioning pack, ECS packA system assembly that regulates, cools and conditions pneumatic air for cabin or equipment use.
Understand and continue →AMO
AMO, Approved Maintenance Organisation, Approved Maintenance OrganizationApproved Maintenance Organisation: a maintenance organization holding authority approval for a defined scope of work.
Understand and continue →Angle of attack
Angle of Attack, AOAThe angle between the local airflow and a defined reference line on the aircraft or wing.
Understand and continue →Approved data
approved maintenance dataTechnical data formally approved or accepted as approved under the applicable regulatory system for the intended maintenance action.
Understand and continue →Autopilot
AP, automatic pilotAn automatic flight-control function that commands aircraft controls to follow selected guidance or stabilize flight.
Understand and continue →Air cycle machine
ACM, Air Cycle MachineAir Cycle Machine: rotating equipment that cools and conditions compressed air in an aircraft environmental-control system.
Understand and continue →Autothrottle
A/T, automatic throttle, autothrustAn automatic system that commands thrust-lever or engine-thrust changes to meet selected flight targets.
Understand and continue →Acceptable data
acceptable technical dataTechnical information considered acceptable to the authority for defined maintenance purposes, without necessarily being individually approved.
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