Published date: 5 April 2025

Purpose

The AC describes an acceptable means of compliance regarding the calibration of tools, inspection, measuring and test equipment for aircraft maintenance engineers, maintenance organisations and manufacturing organisations. This AC does not provide instructions for carrying out calibration or who may provide the calibration service.

Related rules

This AC relates specifically to Civil Aviation Rule Part 43 General Maintenance, Part 145 Aircraft Maintenance Organisations Certification, and Part 148 Aircraft Manufacturing Organisations Certification.

Change notice

Revision 1 moves the order of some sections, References and Why Calibrate? It also fixes typos and incorrect terms and reformats to present information more clearly.