Airports This category is to discuss modifying airports within the SDK. Tutorials Post any written or video tutorials and guides here related to the SDK. Please refrain from discussion in this category. Scenery This category is to discuss modifying scenery within the SDK. SimConnect This category is to discuss anything related to SimConnect. Liveries This category is to discuss liveries and other items related to livery making within the SDK. Aircraft This category is to discuss modifying aircraft within the SDK. SDK This category is for general discussion regarding the SDK if it does not fit in any of the below categories.