A: Yes. The archive of news clippings from the show (props) confirms Wayfarer 515 was a "mid-air collision" caused by air traffic controller Donald Margolis.
A: It is held in the Sony Pictures Archive in Culver City, California. It has made occasional appearances at the Breaking Bad Store in Albuquerque. breaking bad season 2 archive
For example, the original Season 2 promo (the "Smoke" trailer showing the teddy bear burning) is nearly impossible to find in HD. The archive preserves the context of the show—how it was marketed, how the audience reacted to the "Jane death" cliffhanger, and the raw, uncut performances. A: Yes