Russian billionaire Abramovich's private jet leaves IstanbulRussian billionaire Roman Abramovich's Gulfstream G650ER type private jet with LX-RAY tail registration, which landed in Istanbul in the evening hours, took off from Istanbul Airport to go to Moscow at 01.48. It is unknown whether Abramovich is among the passengers of the private jet that stayed in Istanbul for about 7 and a half hours.