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General - Deviations

Please note: Sections that are highlighted in Yellow indicate new topic areas or important changes in criteria or policy.

Deviation: means a variance in precision with respect to a specified tolerance published for a manoeuvre within a test item or sequence, which is a result of pilot error or faulty handling of the aircraft.

Minor Deviation

A deviation that does not exceed a specified tolerance:

Major Deviation

A deviation that exceeds a specified tolerance or repeated minor deviations without achieving stability:

Critical Deviation

A major deviation that is repeated, excessive or not corrected, such as:

  • Repeated non-adherence to specified tolerance limits; or

  • More than doubling the specified value of a tolerance limit; or

  • Not identifying and correcting major deviations.
Date modified:
2010-05-20