Ground classes of Technical General for PPL at Captessar Aviation covers most useful topics as per DGCA prescribed syllabus in which we cover Piston engine, Principle of flight, electricity and aircraft and systems. Turbine engine is not included in PPL syllabus. This subject is not required for PPL conversion.Captessar Aviation use video classes, Computer based training, conduct practice tests, mock tests, and mock interviews to help candidates crack DGCA or Airlines entrance exams.