And where dose it stTe you can. It dosent. 20.18 is min requirement list for each cat. That's all.
If your in charter cat and it's all serviceable then you can drop down and do what you won't.
If your in charter and you have an unserviceablity you just can't do it with having soning to do it IAW. That's why we have mels.
If you are in doubt call casa. Then let's us all know because I spend a s$&@ load of time traveling to get gear back and we all a brunch of dills and creamy the only one that knows the truth.
And as for being dxlexic and writing mel and som it's simple as. As for personal attacks your big boys.
This is bread and butter stuff.
You can't go outside of your lbs or m/r and the maintence system it says you have to do.