The document discusses the annual Top 100 analysis of the aerospace industry by Flight International and PwC. It finds that 2014 was another boom year for the industry, with all-time sales records and double-digit growth. However, the coming period may present more challenges due to economic uncertainties in countries like Brazil, India, Russia, and potentially China. Even so, the industry would still be in strong shape even if half of the large aircraft order books were canceled. The analysis provides details on the financial performance and position of the top 20 companies in the industry.