Current in-game is only C212-200 variant. Which has no expiry should terminate production 2014 as production license moved to Indonesian aerospace.
Possible additions:
C212-300 has a regional airliner variant
Produced from 1987
Honeywell TPE331-10R-513C engines [900 shp (670 kW)]
production ends 2014
C212-400
Produced from 1997
TPE331-12JR-701C engines [925 shp (690 kW)]
28 pax
production ended 2014 (now the NC-212i)
NC212i (Indonesian Aerospace)
Same as C212-400 but with improved TPE331-12JR-701C engines 970 hp (723 kW).