1. There aren't many of them on any register, with only 7 aircraft in the whole of Europe.
2. It's reworked early 1960s DC-9 technology.
3. Only eight airlines worldwide have taken them.
4. There are actually more sitting in the weeds in Arizona than the total order backlog.
5. As American Airlines junked all the ones they inherited from TWA, that must say something.
6. Embraer and Canadair are seen as the way forward in this market.
7. It's kept going as Harry Stonecipher's pet product at Boeing, because he supported it when he was at McDD and it keeps his friends at Long Beach in a job.