Can I use a portable ADS-B Out system in my aircraft? No. The FAA explicitly prohibits the use of portable ADS-B Out systems in any aircraft. Last Updated: April 02, 2021 18:56 Was this article helpful? Yes No Related articles Does ForeFlight support FLARM? Will my Bose Model A20 headset work with ForeFlight Mobile audio alerts? Is ForeFlight Mobile EFB compatible with NavWorx? Will my Bluetooth headset be able to play audible warnings from ForeFlight Mobile? What traffic features does ForeFlight Mobile offer?