"Flight 643" is a single which appeared in DJ Tiësto's first album, In My Memory. In 2001 it was included as a B-side of "Urban Train", later released as an A-Side single; In 2006 it became B-side of "Lethal Industry" as a remix by Richard Durand. The song had great success that it was adapted with vocals by Suzanne Palmer in 2002, it was also released as a single and titled "643 (Love's on Fire)". The name Flight 643 is derived from KLM Royal Dutch Airlines flight number KL643, which is a non-stop service between Amsterdam and New York JFK. The Big room house DJ John Christian made a rework of the track on October 2013 and got his version released on Tiësto's new label, Musical Freedom. It's featured in the soundtrack for the 2001 videogame FIFA Football 2002.

Netherlands, Scandinavia Maxi Single

Netherlands Maxi Single

United Kingdom Maxi Single

Magik Muzik 12" Vinyl

Nebula 12" Vinyl

Nebula, Nettwerk America, Independence Records, Universal Licensing Music (ULM) 12" Vinyl

Nettwerk America 12" Vinyl

Richard Durand Remixes

Dos Or Die Recordings 12" Vinyl

United Kingdom tracks were edited for their release.

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Wikipedia