Now that's a lot of work (not to mention the glass cockpit upgrade).

http://www.youtube.com/watch?v=7APOJDJM2iM

That's pretty cool. I want to post that in the "Should I log sim time threads?" Heh heh heh...

Three of the guys at Northern Air Operations did the same thing with a Convair 580A set up for aerial fire fighting. Glass cockpit, drops retatrdant, visuals, vibration, noise, radio communications, flight path tracking, fire bells, and a whole lot more.