US Army, Load Plan for Four UH-1 Helicopters, TO 1C-17A-9

6C-4. This section contains the instructions for loading,
restraint, and offloading four UH-1 series helicopters with
minimum disassembly. This represents the maximum number
of UH-1 series helicopters that can be loaded. If loading
less than four UH-1 series helicopters, comply with the load
plan, and follow procedures outlined in this section.