- Trigana Air Service is an Indonesian airline that has been operating since 1991. It is based in Jakarta, Indonesia and primarily provides domestic flights within Indonesia. The airline operates a fleet of turboprop aircraft, including ATR 42 and ATR 72 models, which allows them to serve remote and smaller airports in the country. Trigana Air Service focuses on providing convenient and reliable air transportation options for both passengers and cargo. Safety is a top priority for the airline, and they have implemented various measures to ensure the well-being of their passengers.