| 6 | |
| 7 | == Airport Information |
| 8 | |
| 9 | '''Adolfo Suárez Madrid-Barajas''' Airport (MAD) is operated by AENA, being the bigger one in Spain, 5th in Europe and 14th in the world. It has 4 main terminals, which distribute the flights among different airline alliances. |
| 10 | |
| 11 | The bigger and most modern terminal, the T4, concentrates all the flights from OneWorld, and has a Satellite terminal (T4S), for all the non-Schengen flights. |
| 12 | |
| 13 | The official AENA website with all the airport information is [http://www.aena.es/en/madrid-barajas-airport/index.html]. |
| 14 | |
| 15 | An alternative non-official website is available at [https://www.aeropuertomadrid-barajas.com/eng/]. |
| 16 | |
| 17 | == IBERIA Airlines |
| 18 | |
| 19 | Iberia Airlines is the preferred airline for IETF 108, offering discount on flights to Madrid. |
| 20 | |
| 21 | Complete information is available at [https://ietf.org/how/meetings/108/preferred-airline/]. |