Air France is the national airline of France.
Lot is the National Airline of Poland
The Mute Swan is the national animal of Denmark.
lufthansaGermany's National Airline is Lufthansa
Egypt Air is the national airline. http://www.egyptair.com/English/Pages/default.aspx
Lufthansa is the official airline of Germany.
The Italian national airline is called Alitalia.
The airline IBERIA is based in Spain
The airline VARIG is based in BRAZIL
Hong Kong does not have a specific national airline although Cathay Pacific as a Hong Kong based airline is perhaps the closest to this role.
The German national airline is named Lufthansa.
The important German airline is called "Lufthansa".