Yes. All sections of the site — including the Library, CR3 Online, and Flight Tools — are completely free. A subscription is only required to access the Exam Simulator and the professional features of the Test Builder.

To explore what the Exam Simulator offers, simply sign up on the site. After registration, you'll receive a free 24-hour subscription so you can try out all of the simulator's features and decide with confidence whether to purchase a full subscription.

The Exam Builder allows you to fully customize your exam based on your preferences. Available features include: choosing a custom name for your exam (except the course/subject name), setting a custom time limit or creating an untimed exam, randomizing the order of questions, selecting the number of questions and the question range, combining questions from multiple subjects into a single exam, and enabling negative marking for your exam. In addition, Final Exams for each training stage are already available on the platform and can be taken instantly without any additional setup.

Yes. For questions that come with a detailed explanation, you can view the correct answer and its explanation after finishing the exam, helping you pinpoint your weak areas. Please note that currently only JAA questions include explanations; answer keys for the remaining questions will be added gradually and announced to you.

Yes. The site's content is updated continuously, and the AviationHub team is always gathering new resources, adding questions, developing learning tools, and creating new sections. Our goal is to provide a comprehensive, up-to-date, and practical reference for aviation students and enthusiasts.

If you need help or want to report an issue, you can reach our support team via the emails listed on the site or our Telegram handles. Your messages are received around the clock and will be answered as quickly as possible.