Originally Posted by
Swakid8
Off course, that applies to any 121 carrier. The point I was trying to make was that the DC-9 series aircraft were designed to be able to power backs. Very common occurrence up until the 90s.
Yes it's legal and used to be common if you have the right airplane. If nobody trained you to do it, then I wouldn't waste time digging in the book for authorization because you're not going to find it. One of those things that if you have to ask...