Prerequisites:

The amount of refresher training needed should be determined on a case-by- case basis by the ATO, considering the following factors:

1. the experience of the applicant;
2. the complexity of the aircraft;
3. the amount of time elapsed since the expiry of the validity period of the rating:

• expiry shorter than 3 months: no supplementary requirements.
• expiry longer than 3 months but shorter than 1 year: a minimum of two training sessions;
• expiry longer than 1 year but shorter than 3 years: a minimum of three training sessions in which the most important malfunctions in the available systems are covered;
• expiry longer than 3 years: the applicant should again undergo the training required for the initial issue of the rating.