Pre-Solo Written Exam (C152N) Take the required knowledge test and get ready to solo! Pre-Solo Written Exam (C172N) Take the required knowledge test and get ready to solo! Pre-Solo Written Exam (C172S) Take the required knowledge test and get ready to solo! Pre-Solo Written Exam (PA28161 MPH) Take the required knowledge test and get ready to solo! Weight & Balance Test your knowledge of the Fundamentals of Aircraft Weight and Balance. Complex Airplane (C172R) If your getting ready for a complex checkout, take our quiz on the basics of complex airplane.