The Synthetic Vision module is an add-on for the HUD to show 3D terrain, Airspaces, Highway in the Sky and runways. It is a one time purchase and can be used on all of the devices connected to the same iTunes account.
The Synthetic Vision module is an add-on for the HUD to show 3D terrain, Airspaces, Highway in the Sky and runways. It is a one time purchase and can be used on all of the devices connected to the same iTunes account.