Study free. Unlock everything when you're ready.
Cancel anytime · no card needed for the free tier · aligned with EU 2023/989 and UK CAA.
Cadet
Get started and explore the catalogue.
Free
- ✓Free modules & simulations
- ✓Sample quizzes and mind maps
- ✓Basic progress tracking
Engineer
Everything you need to pass the exam.
$9/ month
- ✓All 17 modules, fully unlocked
- ✓Every simulation & graded quiz
- ✓Full progress & weak-area tracking
- ✓Downloadable revision mind maps
Best value
Engineer Annual
Best value — save over a third.
$69/ year
- ✓Everything in Engineer, all year
- ✓Just $5.75 / month, billed annually
- ✓Save ~36% vs monthly
- ✓One payment, no monthly admin
Institution
For Part-147 schools and training orgs.
Custom
- ✓Everything in Engineer, per seat
- ✓Cohort management & analytics
- ✓Upload your own assessments & content
- ✓Branding & priority support
Prices in USD; cancel anytime from your account. Certify66 is an independent study aid, not an EASA / GCAA approved course.