Air Assistant is a collection of up-to-date data such as airport information, approach procedures, tower frequencies, airways, waypoints, METAR, TAF, NOTAM etc. You can make the actual flight plan with course and distance on each leg
The application is developed as a collection of checklists for flying in flight simulators, such as X-plane, MFS and others. Checklists contain complete information from Pre-Start Checklist to Approach, Landing and Shutdown checklists.