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SPU300 Auxiliary Power Unit

The SPU300 (APU) is a state-of-the-art electric and pneumatic power source designed for long range, high performance business jets.

Best in class power-to-weight ratio

Leading edge control system (FADEC)

Health monitoring capability

The SPU300 is best-in-class for power-to-weight ratio. It is able to operate unattended on the ground and start in-flight up to 45k feet while providing electrical power up to the aircraft's operating ceiling of 51k feet. Main Engine Start (MES) capability up to 30k feet allows operators to relight at higher altitudes than other APUs.

The SPU300 is equipped with a state-of-the-art control system that is fully integrated with the aircraft systems to provide live feedback and monitoring of key operating characteristics for preventive maintenance.


Auxiliary Power Units: Always at the cutting edge of innovation

Safran Power Units APUs are compatible with all hosts, whatever the application: civil or military, air, land or sea.

Safran Power Units' different turbine families deliver up to 500 shp (shaft horsepower) of electric, pneumatic or mechanical energy to match the specific needs of your programs.


  • © Free-Lance's / Safran
  • © Frank Rogozienski / CAPA Pictures / Safran