AW009-Minor point regarding your linked .pdf ... it is explicitly for the UH-60A Black hawk, not a Seahawk and not an S-92. (Seahawk is SH-60B, albeit derived from the S-70/Blackhawk basic design. It has more in common (IDGB and carrier assembly) with UH-60L than the A. Your larger point is taken and understood if we read = (which is "equals") to be read like "very similar; based on the same design philosophy." Your pointing to those illustrations for an example of a kind of design works well to illustrate your point.