I suggest you use drones straight to the guys window (assuming they are not using Amazon & Dilevroo), not sure how much HMPs are guarded vs Gatwick for drones? But the latter was a real fiasco…
For persons escaping, I don’t think these flights were listed on Wingly nor care about that R-areas 
https://en.wikipedia.org/wiki/List_of_helicopter_prison_escapes
