Jack
Concur! Witnessed a DC8 of dubious vintage deliver some vehicles in a sandy place a few years ago. The APU was busticated so they kept the starboard outer running whilst on the ground. Took them (crew and cargo handlers) about 4 hours to extract the vehicles through the side cargo door onto a K-loader type thingy. We watched (from a very safe distance) them bounce the wagons to get them round the corner of the door and on to the loader