The exact boundary between line and base maintenance depends on the regulatory system, organization approval, task complexity, facilities and scope.
← Aviation glossary
MAINTENANCE PRACTICEBEGINNER
Line maintenance
line station maintenance Synonym
Maintenance performed in an operational environment to support continued aircraft service.
Use this page toUnderstand the term in plain languageSee technical and maintenance contextContinue to related learning in one click
How the term is used
Line maintenance commonly includes transit, daily or service checks, defect rectification, troubleshooting, component replacement and limited scheduled work within the organization approval.
Where you may encounter it
Line teams work under time pressure and changing conditions, making communication, tool control, records and shift handover especially important.
Operational pressure never changes the requirement to use approved data, proper authorization and complete records.