Used FRIES (Fast Rope Insert Extract System) - a fancy name for 90 foot swarming ropes with attachment points for 3 lucky(?) souls at the business end - a few times; Chinook could manage 5 simultaneously. Noted that after picking up just one operator (plus bergan) per rope and flying them a relatively short distance, each rope was now approximately 120 feet. Wouldn't want to use each rope more than once.