ForeFlight call signs (eg: "FFL###") are available to subscribers of ForeFlight Performance Plus. Find out more about Performance Plus at https://foreflight.com/products/performance-plus/.
You can purchase or upgrade to Performance Plus directly at https://www.foreflight.com/pricing, or if you have an existing ForeFlight account, by signing-in at https://plan.foreflight.com/account and clicking on the "Upgrade" link.
Once you have a ForeFlight Performance Plus subscription, please email email@example.com to request a call sign, and we will send you the application.
NOTE: After receiving a ForeFlight call sign all flight plans filed with that call sign must be filed through ForeFlight.
For more information about the FAA Privacy ICAO Address (PIA) please visit: https://www.faa.gov/nextgen/equipadsb/privacy/