flightline

noun
  1. 1

    The precise movement of a civil photogrammetric aircraft along a predetermined course at a predetermined altitude during the actual photographic run.

  2. 2

    The area of an airfield where aircraft may be parked and serviced, including hangars, but not including taxiways or runways.

Source: https://en.wiktionary.org/wiki/flight%20line, https://en.wiktionary.org/wiki/flightline