The Federal government has impounded an aircraft belonging to a UK-owned aviation company, Flair Air, for violating the flight ban in Nigeria.   Minister of Aviation, Hadi Sirika, announced this on his Twitter handle today May 17.   According to the Minister, the Flair Aviation was operating a commercial flight as against the Humanitarian operation it was given approval to operate in Nigeria. The Minister said the crew of the flight are currently being interrogated to know their level of culpability as there …