 During late 2009, Aerosud commenced work on the upgrading of the SAAF's fleet of Pilatus PC-9 trainer aircraft, installing a glass cockpit and a modern avionics suite, as well as removing obsolete equipment.That same year, the South African defense company Paramount Group purchased a 19% stake in Aerosud.During the 2010s, the company became involved in the AHRLAC Holdings Ahrlac, a light attack and reconnaissance aircraft; it was originally being developed as a joint venture with Paramount Group.