Some countries require Airlines to monitor number of flights within last 60 days.
60 days currency feature requires Cockpit crew to make at least 5 take-offs and 5 landings within last 60 days.
Leon will update 60 days currency if 1 of below requirements are fulfilled:
To check if a crew member has met the requirements, please tick the 60 days currency checkbox in the filter in Crew > Duties and hover the mouse over a dot by Crew Members name.