Originally Posted by
hypoxia
The CFI SEL add on will renew your CFI for an additional two years. It requires proficiency in teaching all private and commercial maneuvers. If you aren't current flying a small general aviation aircraft then you will probably need five to ten hours of dual preparing for the checkride more or less. Do you also have instrument instructor?
Yes I have my CFII and fly GA off and on so would definitely need a refresher and some instruction since all my instructing has been limited to military mobility aircraft.