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Noëlle 180 Auxiliary Power Unit

The Noëlle 180 turbo-starter provides independent starting for the M53 engine in the Mirage 2000 aircraft and thereby eliminates the requirement for ground power. It uses the energy resources available on board the aircraft: main engine fuel and electrical power from the batteries. The turbo-starter drives the main engine up to the optimal ignition speed, then provides assistance during acceleration up to starter cutout speed at about main engine idling speed. The sequence takes approximately 30 seconds.

The Noëlle 180 turbo-starter consists of:

  • A gas generator, started by means of an electric motor,
  • A starter,
  • The accessories required for its operation and monitoring.

The turbo-starter is mounted on the aircraft accessory gearbox, which is connected to the engine gearbox.


  • © Safran
  • © Safran Power Units
  • © Philippe Stroppa / Safran