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← Aviation glossary
STRUCTURES & INSPECTIONINTERMEDIATE

NDT

NDT Abbreviation · Non-Destructive Testing Synonym · Non-Destructive Inspection Alternate spelling

Non-Destructive Testing: inspection methods used to detect material or structural discontinuities without damaging the item.

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TECHNICAL EXPLANATION

What it means technically

Approved procedures define equipment, calibration, technique, coverage, acceptance criteria and personnel qualification.

FULL CONTEXT

How the term is used

NDT includes methods such as penetrant, magnetic particle, eddy current, ultrasonic and radiographic testing. Method suitability depends on material, geometry, defect type, access and required sensitivity.

MAINTENANCE CONTEXT

Where you may encounter it

Qualified NDT personnel perform or control inspections and issue traceable results.

Safety and misunderstanding note

A test indication is not automatically a defect, and absence of an indication does not prove every defect type is absent.

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