How do airplanes communicate over the ocean?

Related questions

1. Could penguins survive in the North Pole?
2. Can planes fly over North Pole?
3. Is the Concorde still flying?
4. Do any flights go over Antarctica?
5. Do pilots adjust for curvature?
6. Why do planes not fly directly over the Pacific Ocean?
7. Why do planes fly in a curved path?
8. How does the great circle route work?
9. What is the great circle route method?
10. Why do planes not fly over the Pacific?

Tags

1. #altitude
2. #pilots
3. #latitude
4. #points
5. #parts
6. #remote
7. #their
8. #control
9. #traffic
10. #ocean
11. #longitude
12. #airplanes
13. #estimated
14. #separated
15. #other
16. #position
17. #point
18. #flying
19. #report
20. #controllers
21. #specific
22. #jungle
23. #flights