SkySimulations DC-9 series 10 flight test aircraft pack

This add-on features a pack of four SkySimulations DC-9 Series 10 flight test aircraft for Microsoft Flight Simulator. Each aircraft represents a unique phase in DC-9 testing, including window configurations, autopilot development, JT8D engine evaluation, and anti-ice system trials. Distinct visual and performance modifications are included to reflect their specific testing purposes. The models provide historic liveries and experimental details from early DC-9 development.