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Home > Exam Questions > ATPL - Airline Transport Pilot Licence > Aircraft General Knowledge - Instrumentation > In order to align an inertial reference system (IRS), it is required to insert the local geographical coordinates. This enables the IRS to:

26 - ATPL Question Bank in English - In order to align an inertial reference system (IRS), it is required to insert the local geographical coordinates. This enables the IRS to:

Question 26 - Aircraft General Knowledge - Instrumentation - ATPL - Airline Transport Pilot Licence

Find True North.

Compare the longitude it finds with that entered by the operator.

Initialize the FMS flight plan.

Compare the latitude it finds with that entered by the operator.

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