As I understand it, the source is a very careful implementation of a spec, and the FAA should have the spec. In any case, I strongly doubt that the buck should

As I understand it, the source is a very careful implementation of a spec, and the FAA should have the spec. In any case, I strongly doubt that the buck should really stop at this test pilot. Someone higher up surely has some degree of responsibility. The test pilot did not invent MCAS.