Top network posts
- 44 Why is the range of transponder digits 0 to 7 rather than 0 to 9?
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- 23 Why does IRS alignment take so much time?
- 11 What permissions or approval are needed to land in Antarctica?
- 8 How can business jets use slot coordinated airports?
- 7 Why are there so many color spaces available?
- 6 Where does the water salute come from?
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