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During inflight alignment of the IRS, SET IRS HDG will appear in the CDU scratchpad. The crew should: a) Confirm the heading is set correctly b) Disregard the message c) Set the IRS to the current heading
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During inflight alignment of the IRS, SET IRS HDG will appear in the CDU scratchpad. The crew should:

a) Confirm the heading is set correctly
b) Disregard the message
c) Set the IRS to the current heading
d) Set the heading to 360 degrees

User Brandon Henry
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1 Answer

5 votes

Final answer:

The crew should confirm the heading is set correctly when the 'SET IRS HDG' message appears on the CDU scratchpad during inflight IRS alignment to ensure accurate reflection of the aircraft's orientation.

Step-by-step explanation:

When during inflight alignment of the IRS (Inertial Reference System), the message 'SET IRS HDG' appears in the CDU scratchpad, it is an indication to the flight crew that they need to enter the aircraft's current magnetic heading. The correct action for the crew is to:

  • Confirm the heading is set correctly.

Setting the IRS to the current heading ensures that the system accurately reflects the plane's orientation, which is crucial for navigation and flight systems management.

User Anwardo
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