This document summarizes the key points of contention in the trade dispute between aircraft manufacturers Boeing and Airbus. It notes that both companies receive government subsidies, but that Boeing argues Airbus has an unfair advantage due to the scale of subsidies it receives from the EU. However, the document also points out that Boeing itself receives prohibited production subsidies that it does not pay back, unlike Airbus' loans for aircraft development. Overall, both companies have legitimate grievances against each other's subsidies, and the dispute involves complex issues around government support of large industries.