The group's principal activity is to provide aviation inventory and maintenance, repair and overhaul services. These services include maintenance, repair and modification services for aircraft and repair and overhaul services on a range of aircraft components, flight control surfaces, aircraft interiors and plant & whitney jt8d engines. In addition, the group also provides modification services for the conversion of passenger aircraft to freighter configuration, as well as, aircraft engineering services. The customers of the group include commercial passenger airlines, air cargo carriers and aircraft leasing companies, maintenance and repair facilities and aircraft parts redistributors.