That would make sense in all regards, 500N. And, yes, an arrestor needs to be bolted to structure. Even the F3's wasn't up to unlimited cable engagements. When we started to get pilots to to do an arrested landing before deploying to the Falklands, we discovered that the manufacturer had imposed a limit of 25 engements per airframe. As it turned out, it could take more than that, but it wasn't an F4 built for the carier. The hook for for emergencies that didn't happen every day.