Following its diversion last night BA CityFlyer Embraer 170 G-LCYD positioned London Southend – London City as BA9750 this morning in order to operate BA8704 London City – Edinburgh. The aircraft then positioned Edinburgh – Isle of Man as BA4549 in order to operate an Isle of Man – Mahon charter rotation as BA4549/BA4500. The aircraft then positioned Isle of Man – Edinburgh also as BA4500.