AirQuarius (ZS-GAV) “Karen” Boeing 737-200.
AirQuarius Aviation was an airline based in Johannesburg, South Africa, operating chartered flights and aircraft leasing contracted by companies throughout Africa and the Middle East. The airline's base was at Lanseria Airport, Johannesburg.
AirQuarius was established and started operations in 1999 by its owner Gavin Branson and has 120 employees. The airline specializes on operating flights to political crisis areas. As such, AirQuarius was the only operator into Baghdad or Basra during the Iraq War. Other missions included UN flights into Afghanistan or Sudan.
AirQuarius stopped operating on the 7th February 2012. 
As of September 2010, AirQuarius operates three aircraft, a 15 year old Fokker 70 and two Fokker F28. In previous years, the airline owned two Boeing 737-200 jet aircraft.