Originally Posted by
Chappy Sinclair
Knew a dude at my flight school (university) who lost his medical (and his CFI ticket), but had an AGI/IGI cert. Kept teaching ground school full time. Not a bad backup plan, plus it's an additional certificate to put on your resume.
How did he lose his CFI cert? Did he let it expire?
I guess if you become medically disqualified, want to teach ground, but don't want to bother with CFI renewal then an AGI/IGI might actually be useful!