Which is correct aitch or Haitch?

Related questions

1. Who is the father of English alphabet?
2. Who created numbers?
3. Is the H silent in Thailand?
4. What is the shortest sentence that uses all 26 letters?
5. Was ampersand part of the alphabet?
6. Are there any English words without vowels?
7. Why is H pronounced aitch?
8. Why H is silent in honest?
9. How do you say h in Australia?
10. What is special about The quick brown fox jumps over the lazy dog?

Tags

1. #french
2. #related
3. #1500s
4. #first
5. #english
6. #dictionary
7. #letter
8. #haitch
9. #spelling
10. #pronounced
11. #spelt
12. #comes
13. #correct
14. #aitch