Formidable? Moi? I'm not big enough to be formidable. 5ft 2ins people can't be formidable; it doesn't work.
Determined? I guess so. If I want something I leave no stone unturned. I think I was probably a terrier in a past life.
Anyway, I can't see the schools caring about whether you've got a Class 1 medical or not. After all, until quite recently rotary instructors just got 200 hours and did an FI course. I missed that route by about a year. And I don't think they had Class 1s. I don't know what happens to the ones now with grandfather rights, and there are loads around.
G-STRING, what part of Wales are you in? Just curious, that's all.