Just read the article in Flying Mag. about how so many of the seatbelts out there are 20-30 or more years old (sound familia?) and if they and their attachments were thoroughly tested, many, if not most, would fail. Just two weeks ago, Pat Murphy's mechanic who was working on my rigging, found that one of my rear seatbelt attachpoints had broken loose -- no idea how long I had been flying with that. The article says shoulder harnesses in particular are one of the most critical safety items in a plane. My belts look old, I'd guess original, and the harnesses not a lot better. I do have the front harnesses moved to the ceiling, which I seem to recall was an AD? My rear seat shoulder harnesses, if they ever were supposed to adjust in and out of the seats, do not now. (Are they supposed to?) So my questions: