sentences:  When a mechanical problem grounded the aircraft at the South Pole, Chilingarov and other VIPs were flown by American Hercules LC130 aircraft to McMurdo and then onward to Christchurch.The rest of the group arranged a pick-up from Adventure Network International, who operate tourist flights to the South Pole.In January 2007, he led a helicopter expedition to Antarctica, he was joined by FSB chief Nikolay Patrushev and visited the South Pole and Amundsen-Scott station.