Captessar Aviation Academy offers ground classes for PPL as per DGCA prescribed syllabus. In this series, Air Navigation for CPL course covers General navigation, Radio Aids, Instrumentation, Mass balance and performance. General navigation is most important topic from the point of view of DGCA examination. General navigation means the process of planning, coordinating and controlling the movement of aircraft from one place to another without getting lost, not breaking the laws applying to aircraft. Air navigation is different than ground navigation in terms of Speed, time and height. Radio Aids is the second topic that cover various navigation and landing aids based on electromagnetic waves. Third topic is the instrumentation which covers Pressure instruments, Gyro instruments. Rest topics cover fuel calculations, Payload calculations, calculations of distances required for take-off and landings of aircraft etc. Captessar Aviation Academy use video classes, Computer based training (CBT), mock tests, and mock interviews to enable students to advance their knowledge and perform well in the exams.