Even a private owner can effectively have (if not direct, then through agents) connections straight to OEMs, bypassing original airplane vendor. There's a reas

Even a private owner can effectively have (if not direct, then through agents) connections straight to OEMs, bypassing original airplane vendor. There's a reason why the only time two airplanes are identical is when they roll from assembly line as part of the very same order with same spec, and never again.