Focus on the supportable opportunity Aerospace attracts attention through aircraft orders and large industrial programmes, but smaller firms need a more specific entry point. Maintenance support, tooling, documentation, component logistics and quality services can provide recurring demand when delivered within the required approvals. For BRICS businesses, the commercial question is which capability they can sustain to the standard a customer requires. Ambition should be matched to technical competence and the cost of qualification. ICAO maintains work on the economic development of air transport, including policy and industry information. ICAO air-transport economics. This article concentrates on civilian maintenance and supplier operations. It does not recommend defense transactions, interpret export permissions or assume that a commercial…