ATO Aviatis GmbH is a Swiss aviation training organisation based at St. Gallen-Altenrhein Airport (ICAO: LSZR/ACH). As an EASA and FOCA/BAZL approved ATO, it provides comprehensive pilot training programs including LAPL, PPL, CPL, instrument rating, night flying, aerobatic, mountain, and seaplane ratings. The school operates 361 days a year with professional instructors and modern training resources like FNPT-2 simulator. It offers proficiency checks, skill tests, and theoretical knowledge instruction arranged in cooperation with specialised centres. The diverse aircraft fleet ranges from single-engine piston planes to high-performance turboprops and business jets including Pilatus PC12 Legacy, King Air 200, and Piaggio Avanti P180. Additional services include aircraft operation and management, air taxi organisation, air charter brokerage, introduction to alpine flying, and more. Communication is available in German, English, and French. Located at an airport with night flying infrastructure, Aviatis supports varied training needs and aircraft management.