4 CHECKPOINTS TO FOCUS ON DURING AVIATION CALIBRATION RESULT REVIEW

4 CHECKPOINTS TO FOCUS ON DURING AVIATION CALIBRATION RESULT REVIEW

After receiving calibration results, it’s important to review your aviation calibration report to ensure accuracy of all data. When reviewing your results, the following four checkpoints should be focused on:

CORRECTION OF ERROR

This checkpoint is very important in regards to aviation measuring instruments and devices. This is because it helps to identify potential errors and aviation instrument tolerance. During equipment preventive maintenance, a correction factor should be determined and then inputted on the aviation equipment being calibration. This will compensate or correct any errors displayed.

TOLERANCE

Tolerance is particularly important for understanding the total allowable error within an instrument. Tolerance of an instrument is typically represented as a +/- value on an aviation calibration report. Notably, tolerance is specifically important to help determine aviation equipment deformation. Deformation can occur due to environmental changes that lead to aviation equipment material expanding and contracting. For this reason, it is crucial to review the aviation calibration results for this checkpoint to ensure the tolerance is understood and to be able to take the allowable error range into consideration.

AS FOUND/AS LEFT DATA

These data checkpoints include information for before an aviation instrument was calibrated and after it has been calibrated. Checking this data is very important to ensure that the measurement value listed actually lie within an acceptable the limit. If data shows an allowable limit, then the measurement value is acceptable.

Notably, when checking the “as left” and “as found” data, it is important to remember that the “as left” column will, in some cases, differ in adjustment due to the “as found” value being outside of an acceptable limit.

TRACEABILITY AND UNCERTAINTY

Checking the aviation calibration results for a properly calculated uncertainty ratio and traceability is extremely important. If an uncertainty ratio is calculated correctly in the aviation calibration results, then traceability of measurements can be guaranteed. This is because an avaition calibration laboratory uses its best measurement capability (BMC), which is acquired from a higher laboratory standard.

UNDERSTANDING YOUR AVIATION CALIBRATION REPORT

Read the ultimate guide to know what it all means and what to expect.
Find out how here.

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