.za by Microsoft-IIS serving 11.60% of the total .za domains. The most common 1st character in domain names is "c", with 10.76% of .za domains starting with this character. .za .za is the Internet country code top-level domain (ccTLD) for South Africa. The .za namespace is managed and regulated by the .za Domain Name Authority (ZADNA). Most domains are registered under the second-level domain .co.za. None of the official names for South Africa can be abbreviated to ZA, which is an abbreviation of the Dutch "Zuid-Afrika". Dutch was considered an official language in the Union of South Africa until 1961; it
Aircraft registration Aircraft registration Every civil aircraft must be marked prominently on its exterior by an alphanumeric string, indicating its country of registration and its unique serial number. This code must also appear in its Certificate of Registration, issued by the relevant National Aviation Authority (NAA). An aircraft can only have one registration, in one jurisdiction. In accordance with the Convention on International Civil Aviation (also known as the Chicago Convention), all civil aircraft must be registered with a national aviation authority (NAA) using procedures set by each country. Every country, even those not party to the Chicago Convention, has an NAA