SA, HB,
Thanks for your replies.
Have already gone through the CAA/FAA hoops, and things are OK on that score.
It's just that I had an anxious few moments yesterday when someone mentioned the dreaded "v" word, as I'd previously thought that I'd covered all the required paperwork angles; then when I looked on PPRuNe, people were mentioning B1 this and B2 that, and...
Anyway, you can only plan so much, and the rest happens as it will.
Chocks away!