The document discusses different approaches to starting an airline, including those from Airbus, Boeing, the airline industry, and a proposed "U curve" approach.
It summarizes the key steps in Airbus's "Start Me Up V-Plan" approach and Boeing's "Startup Boeing - Roadmap" approach, both of which begin with an airline idea and business plan development before moving to aircraft sourcing, certification, and launch.
The document also proposes a "U curve" model for airline startup based on demands, fares, distances, and costs to define an optimal operating curve without manufacturer influence. This approach uses integer programming and benchmarking to determine the right aircraft size.