Common use of Interim conclusions Clause in Contracts

Interim conclusions. The blockade against Qatar in 2017 was not consistent with Article 9 of the Chicago Convention, because only Qatar-registered aircraft is prevented from using the airspace of the four countries. Nonetheless, depending on local situations, the four countries could declare a national emergency and invoke Article 89 to justify their ban. Bahrain’s NOTAMS attracts more attention because its FIR encompasses all of Qatar’s sovereign airspace. Chapter III will discuss who and how to establish a prohibited area in delegated airspace(s).