The Auxiliary Power Unit Safir 5K/G-MIS is used for starting the main engines using compressed air and provides an autonomous source of electric power and an air source for air conditioning systems. The Safír 5K/G-MIS Auxiliary Power Unit is designed to supply air for starting the main engines, for use in air conditioning systems and to drive the DC starter-generator.
Main features
- Standard analog equipment for APU operation, indication and signalization.
- TBO 1,500 hours.
- Start and operation altitude up 19,700 ft (6,000 m).
- Digital signal from control box through the RS 422 serial interface.
- Unlimited number of air take-offs for starting engines.
- Continuous operation lasting 6 hours.
- High reliability of APU operations.
- Long service life.
- Simple maintenance.
- Ecological fuel drainage.
- Optimized signalization for decreasing strain on the flight crew.