For many users of popular aircraft add-ons—such as the FlightFactor A320 Ultimate, Toliss Airbuses, or even the SSG 747-8—this is one of the most common setup hurdles. You’ve downloaded the plane, installed the AviTab plugin, yet the tablet remains dead.
The ISCS is where you load fuel, passengers, cargo, and—crucially—configure hardware settings. Unlike other aircraft where the tablet just "works," Toliss requires you to manually tell the plane that you want to use AviTab. please enable avitab in iscs
This article explains exactly what "Please enable AviTab in ISCS" means, why it happens, and the specific step-by-step process to make the message disappear forever. Before solving the error, we must understand the ecosystem. AviTab is a free, open-source plugin for X-Plane that integrates a fully functional tablet into your cockpit. It allows you to view moving maps, approach charts (PDFs), navigational frequencies, and even stream your external camera view. For many users of popular aircraft add-ons—such as
To fix it, remember the golden rule: Install AviTab globally, then flip the switch in the Toliss ISCS. Unlike other aircraft where the tablet just "works,"
However, many high-fidelity payware aircraft do not come with AviTab pre-installed. Instead, they are designed to host the AviTab plugin if you have it installed. The tablet is a "container," but the software inside is AviTab. The keyword "ISCS" refers to the Interactive Simulation Control System . This is the pop-up ground services and configuration menu found primarily in Toliss Airbus aircraft (A319, A321, A340) and some FlightFactor planes.
If you are a seasoned virtual pilot or a newcomer to the world of X-Plane 11 or 12, you have likely encountered a frustrating wall of text on your 3D cockpit tablet: a black screen or a cryptic error message asking you to "Please enable AviTab in ISCS."