http://blog.pology.com/index.php?id=415
Every Wednesday and Friday in Tajikistan, weather permitting, the Aga Khan foundation flies a helicopter from Dushanbe to the remote city of Khorog, in the Pamir mountains at an elevation of 2200 meters (7,200 feet) above sea level. If space allows, and you happen to work for an NGO here in Tajikistan, and have some business in the autonomous region of Gorno-Badakshan, you can sometimes get a ride. Gorno-Badakshan is the home of the Pamiri peoples, Ismail Muslims whose native languages are a series of obscure Eastern Iranian offshoots with fewer that 100,00 native speakers, Anya and I were lucky enough last Friday to benefit from the Aga Khan’s largesse, and hitched a ride on the helicopter to Khorog