As I recall, Chickenhawk was a part of flight training in between reading the flight manual and standardisation guide... "Now, when I'm a little short on power with my instructor tomorrow I'm going to kick in a boot of right pedal and corkscrew my way out of the confined area, maybe cutting back on some foliage in the process with the main rotor.........that'll show Charlie.....
" (the well-thumbed crewroom copy of Bob Masons book the eternal instructors' nightmare!)