When I worked in the VFX industry we would come up against those sorts of situations all the time. For most clients it was never an issue of cost and more about

When I worked in the VFX industry we would come up against those sorts of situations all the time. For most clients it was never an issue of cost and more about the lead up time involved. For example, a lot of time goes into research and ensuring you get good reference photography and physical measurements. For something like a plane you would need to track down the exact make/model and send out a survey team for a few days to a week. Obviously this doesn't include the work done to determine how the plane would disintegrate and what the resulting explosions would look like. Someone in the art department would probably spend a week or more compiling plane crash reference. Sure, there are outfits that won't go to that amount of trouble but the end result is almost always junk.