Assuming he already has a commercial single, there's nothing like that. It's pretty much just a fancy instrument ride.I think you just have to do chandelles and turns about a point or something like that. I have heard from some military guys that went back to add on their SE rating, and they only had to do 2 or 3 maneuvers.
Which SCHEDULED 135 company did you fly a van for that didn't have an ATP requirement? People fly 402s all day 135 without an ATP. When they are operated scheduled 135 you need an ATP...i know...i used to do it.you dont need a SE atp to fly pax in a van 135.....i know...i used to do it.