Deletion of Steep turn (aviation)

Comment: per  and . There are plenty of references, they just need to be added to the article. In furtherance of my vaguewave: http://books.google.com.au/books?id=owcCXZAVZ60C&pg=PA87&dq=steep+turn&hl=en&sa=X&ei=YO2AVLKlLcXbmgWfpIKIDg&ved=0CDMQ6AEwBA#v=onepage&q=steep%20turn&f=false, http://books.google.com.au/books?id=_4nGtx-_jHUC, http://books.google.com.au/books?id=RRcnAgAAQBAJ, http://flighttraining.aopa.org/students/maneuvers/skills/steepturns.html, and http://www.langleyflyingschool.com/Pages/Turns,%20Steep%20Turns,%20and%20Collision%20Avoidance%20Manoeuvering.html. That's from the first Google results page
Stance: keep
Cited policy: Wikipedia:Articles for deletion (WP:BEFORE||WP:FIXTHEPROBLEM)