Advance Sigma 9: Meeting the team behind the glider

Cross Country magazine (www.xcmag.com) travel to Switzerland and the home of Advance Paragliders to try out the new Sigma 9 paraglider (EN C).
Advance's Valery Chapuis and test pilots Kari Eisenhut and Greg Blondeau explain what they were looking for in the glider when developing it. Cross Country's Pat Dower gets a first flight.