The Safir 5K/G MI is PBS's leading product on the market, supplying AC voltage to the aircraft onboard network and simultaneously electric power and compressed air in order to start the main engine.
The Safir 5K/G MI has a long, proud history within PBS. The foundation for the development of the Safir APUs dates back over 50 years. This particular model (Safir 5K/G MI) began production 20 years ago and has quickly become one of the most popular products sold by PBS. More than 1,000 units has rolled off the line and we keep counting.
The success of this APU is due to the fact that we always seek to invest in the long term development of our products, ensuring the most up-to-date technology available. This has translated into exceptional parameters for the Safir 5K/G MI, including continuous operations for 6 hours, a maximum operation altitude of 6,000 m and fuel consumption of 63.55 kg, helping make it one of the most competitive units on the market.
The compressed air can be used for the environmental control system. The auxiliary power unit contains all the necessary accessories for safe operation and momentary as well as long-term diagnostics of the unit. Our expert technicians are constantly monitoring the exhaust gas temperature, revolutions and other indicators. The fuel, oil and oil filter status is also signalled. The control unit, equipped with a RS 422 communication interface, continually collects and records all data.
The Safir APU was certified
for civil aviation by AR MAK according to AP-VD and by CCA CZ according to TSO-C77b (recognized by EASA).