Donau Air Service GmbH is a medium-sized aviation company based at Mengen airfield, Germany, founded over 50 years ago. It specializes in pilot training covering ultralight (SPL), private pilot licenses (EASA-PPL(A), LAPL(A)), night VFR (NVFR), radio communication licenses (BZF II, I, AZF), and flight instructor ratings (FI(A), CRI(A)). They also offer competency checks and refresher training, Alpen familiarization, and type rating flight trainings with flexible formats including full-time, weekend, evening, and distance learning. The fleet features popular trainer and leisure aircraft such as the environment-friendly Cessna 172 Diesel equipped for IFR, Aquila A 210, Cessna 150 K, and the ultralight Eurostar EV97. Donau Air Service also operates charter services and scenic flights, supporting pilot development with personalized consultation and transparent pricing. Located at Mengener airfield (ICAO EDTM), it provides comprehensive flight training and charter services with experienced instructors and a versatile fleet.