Online ground school
Interactive ground school for pilots.
Study Private Pilot and Instrument Rating with written lessons, models you can control, and practice questions.
83 lessons across 2 courses · Separate course progress
Aircraft Explorer
Explore the airplane in 3D
Look inside the fuel system and follow its components.Open Aircraft Explorer
Choose a course
Follow the lesson order or browse a topic.
01 / Learn
Read the explanation
Work through each topic in order, with diagrams and source references alongside the lesson.
02 / Explore
Work with the models
Change the controls and see how forces, aircraft systems, and navigation concepts respond.
03 / Check
Review what you learned
Use flashcards and practice questions, then return to the explanation when you need another look.
Checkride Prep
Keep your place in both courses
Resume recent lessons, save topics to revisit, and track each course in your Learning Dashboard.