[rossmum]

The reason everyone will laugh or scoff is because it can't be done (at least not currently, and not without a ridiculous amount of work). Il-2 was made for WWII aircraft. It can't handle complex avionics and from the sounds of things, the FM crew are having to jump through hoops to make supersonic flight work the way it should.

There's usually a very good reason behind people laughing off requests. You'd do well to do a little research before asking for things.