Refresher courses must be redone periodically to keep a certificate valid. Typically 4 hours.
A practical refresher for officers holding Advanced Fire Fighting, confirming they can still direct fire fighting operations and use the ship's systems and breathing apparatus.
Revalidates the certificate. Required every five years.
A valid or recently expired AFF certificate.
Approvals and durations as published by DG Shipping, and the duration can differ between institutes. Fees and batch dates are set by the institute.