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 name was changed to Branson Air (Pty) Ltd, doing business as AirQuarius in 2007.

[1] The airline specialized in operating flights to political crisis areas.

[citation needed] In 2011, it was alleged that an air operating certificate was awarded to an AirQuarius Charters aircraft on the basis of an inspection form which the inspector said was not written or signed by him.

[citation needed] This article related to an airline based in South Africa is a stub.