Portugal
The Portuguese Air Force operates two Dassault Falcon 50 built in 1990 for use by the President of the Republic and the Prime Minister, as well as cabinet members and other dignitaries when appropriate. Additionally, for similar use, the Portuguese Air Force maintains three (but operates only one) Dassault Falcon 20 built in 1984.
Usually, for long range flights, Airbus A340 and Airbus A330 from TAP Portugal are used.
Read more about this topic: Air Transports Of Heads Of State And Government