Met was asked by SASO HQRAFG c. 1995 about the what if ...................
transport aircraft carring a special back to UK crashes and burns in Belgium or Netherands.
Very interesting calculations which were partly beyond me so the Met HQ boffins were involved on a very "just as a theoretical" basis.
Any resulting heat-driven plume might have been very embarrassing in a Westerly.
Purely theoretical of course.