World 5 · How Helicopters Fly · 12 min · PRO
A spinning wing
Rotor lift
PRO · Flight School
World 5: How Helicopters Fly is part of PRO
The first world of Flight School is free. PRO opens the other 23 lessons in 6 worlds — simulations, quizzes and all.
PRO includes
- All 60 labs — every world, every lesson
- Practice exams and certificates
$8.33/mo, billed yearly ($99.99) · or $39.99 monthly