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The International Civil Aviation Organization is a UN body that develops international aviation standards.

0 votes
1 answer
150 views

If the number of flights in the world exceed 2^24 how will ICAO allocate the address to the ... [closed]

What is the approximate number of commercial flights in the world as of now? If the number of flights do exceed will they use the concept of frequency reuse in cell phones(dynamic allocation of addres …
Vinay Sunderganapathy's user avatar
1 vote
1 answer
1k views

What are the radius of containment (Rc) and horizontal protection limit (HPL) and how are th...

In ICAO Document 9871 (Technical Provisions for Mode S Services and Extended Squitter) page 30 they have mentioned it in the form of a table. But they haven't explained HPL and Rc in detail. …
Vinay Sunderganapathy's user avatar