 His Beechcraft Super King Air B-200 crashed minutes after taking off from the air base.Bitlis, his aide-de-camp Fahir Işık, technician Emir Öner and the pilots, who had VIP green card certification for excellence in flying, died in the crash.The chief of staff, Gen. Doğan Güreş, said the accident was due to atmospheric icing but this has been denied by the manufacturer and experts from Istanbul Technical University and Middle East Technical University.