
A phugoid or fugoid d is an aircraft motion where the vehicle pitches up and climbs, and then pitches down and descends, accompanied by speeding up and slowing down as it goes `uphill` and `downhill.` This is one of the basic flight dynamics modes of an aircraft (others include short period, dutch roll, and spiral divergence), and a classic ex...
Found on
http://en.wikipedia.org/wiki/Phugoid

of, like or pertaining to the longitudinal stability of aircraft
Found on
http://phrontistery.info/p.html
No exact match found.