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Saphir 20 Auxiliary Power Unit

The Saphir 20 Auxiliary Power Unit (APU) has been designed to meet the on-board power requirements of the Super Puma multi-role helicopter.

Air conditioning including cockpit heating

Hydraulic power for flight controls

Power generation for:

- starting the main engines

- supplying equipment (standby, verification and maintenance phases)

Back-up electricity generation

With its excellent compactness-weight-power ratio, the Saphir 20 makes the aircraft totally self-sufficient for starting and ground operation through the supply of 40 kVA of electrical power.

It powers several systems through the helicopter's batteries in complete safety.

Its reliability allows it to operate in severe conditions.

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
  • © Pierre Barthe – Didier Taillefer / Safran
  • © Philippe Stroppa / Safran