ATO Aviatis GmbH is an EASA and FOCA/BAZL approved aviation training organisation located at St. Gallen-Altenrhein Airport, Switzerland. Established in 1995, it operates as a small but well-organised and professional ATO offering comprehensive pilot training programs, including LAPL, PPL, CPL, instrument rating, night flying, aerobatic, mountain, and seaplane ratings. The flying school uses a diverse fleet of aircraft ranging from single-engine piston to business jets like Pilatus PC12 Legacy and Piaggio Avanti. Training is delivered by experienced instructors with simulator support, and the school operates 361 days a year under regular inspections. Besides pilot training, Aviatis offers proficiency checks, skill tests, aircraft operation and management services, aircraft sales, and consulting in multiple languages (German, English, French). Its location at an airport with night flying facilities supports a wide range of training needs. Key services include comprehensive pilot education, practical proficiency checks, and aircraft management.