This may help OPS users to see if the flight number for any of the legs is not yet put in the system. (Only relevant to Handlings/Movements UI).
Setting is enabled. Will always display the Flight Number in the Handlings and Movements screens under the Registration. This is even if its equal to the registration.
Hides the Flight Number in the Handlings and Movements screens if the registration is a match.
Please note this setting is also available per FBO in the 'FBO Locations settings' page area.