How to start Auxiliary Power Unit (APU) from Battery on B757-200 and IRS alignment ✈️.
Starting the Auxiliary Power Unit (APU) on a Boeing 757-200 involves a sequence of steps:
👉APU Master Switch: Ensure it's in the OFF position.
👉APU Start Switch: Move it to the START position.
👉Monitor EGT: Watch the EGT (Exhaust Gas Temperature) gauge for indications of APU startup.
👉APU Generator: Once the APU is running, turn on the APU generator to supply power.
👉Always refer to the specific aircraft's operating manual for the precise procedure as it might vary slightly based on the airline's configuration or updates. Safety is crucial during any aircraft operation.
