On the Fly

On the Fly may refer to:

On the fly, a phrase used to describe something that is being changed while the process that the change affects is ongoing
On the Fly (album), a 2007 album by Irish folk group Patrick Street
On the Fly (TV series), a 2012 American reality documentary television series on TLC
On-The-Fly Calibration in observational astronomy
On-the-fly encryption, a method used by some disk encryption software
On-the-fly programming or live coding, improvised and interactive

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