jump plane
v. phr.— «“Jump plane” is a term that is coined and used by the many illegal immigrants who entered the UK as tourists, jumping off their homeward bound flights and remained in the UK as illegal immigrants.» —“Of Himbos, Jumping Plane and Confirmation” by Otto About Nude, Not Naked (U.K.) May 9, 2006. (source: Double-Tongued Dictionary)