Switzerland has 21 airports, airfields and heliports in this guide: 10 that take business jets, 2 for turboprops and air taxis and 9 heliports or helipads. Customs is on site at 13 of them, so you can arrive straight from abroad. 11 need prior permission (PPR) before you land. The longest runway listed is at Geneva Airport, 3,900 m. Each page has the runway, opening hours, handling companies, how to get there, live weather and a free PDF.