I recently was on a Delta flight from Atlanta to Boston. It was reg. # N766DA (L-1011-500). While looking around the cabin I noticed that the "No Smoking" and "Fasten Seat Belts" signs were in French as well as English. In the US, I would expect Spanish to be the second language used. At the time, I figured that the plane once belonged to Pan Am and frequently flew to France. I did some investigation and found that the plane actually was owned by Air Canada as C-GAGH. That would explain why the signs were in French.
My question is this... How much on an airplane's interior is kept after a sale to another airline. I'm sure the seats, carpeting, etc. would have all traces of the previous owner's name or logo removed, but what about the lavs, cockpit, television monitors, etc.? Also, while in that plane, I looked for any sign of Pan Am ownership (Like I said, I thought it may have been a Pan Am plane) but found none. Where could I have looked for any leftover emblems, logos, etc.? Or have any baggage handlers seen signs of the old ownership inside the cargo holds of planes. For example, old Eastern logos, stickers, etc. inside the cargo holds of US Airways planes? Just askin'.