FOTM Vol. 1 basically breaks requal into 4 categories: recency of experience (landing currency), curriculum A for those qualified to operate the type within previous 12 months, curriculum B for those dequaled >12 mos but <24 mos, curriculum C for those dequaled > 24 mos.

Recency of Experience: 3 T.O.s and landings, 1to full stop. T.O. with engine failure to lowest T.O. mins, hand-flown S.E. ILS to lowest mins, additional maneuvers to determine proficiency.

Curriculum A: complete required items not accomplished when due, i.e. ground school subjects, line check for CAs. Plus any additional curriculum prescribed by Dir. of Flight Training.

Curriculum B: Upgrade course + P.C. + O.E. , plus any additional curriculum prescribed by Dir. of Flight Training.

Curriculum C: Initial + P.C. + O.E.