Can planes fly over North Pole?

Related questions

1. Why do planes fly in a curved path?
2. Why don't planes fly over the Atlantic?
3. Can I fly over Antarctica?
4. Why do planes not fly over the Pacific?
5. What is great circle in aviation?
6. Why can't planes fly into space?
7. How does the great circle route work?
8. Do planes fly over Tibet?
9. Why is great circle the shortest distance?
10. Are you allowed to fly over Antarctica?

Tags

1. #coordinates
2. #direct
3. #possible
4. #cross
5. #north
6. #flights
7. #while
8. #exact
9. #india
10. #simple
11. #rarer
12. #current
13. #between
14. #though
15. #reason
16. #routes
17. #optimum
18. #there
19. #geographical