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FMC Forecast Question

Orlaam
in PMDG General Forum

Featured Replies

In the FORECAST page, within DESCENT, there's the spot for three altitudes and projected winds, but how does one know what to put in the ISA area. It's white and not grayed out, so I assume it does something?Thanks,Chris

- Chris

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The ISA explanation taken from my real 737NG manual:"ISA Deviation And QNH (DEV/QNH)Enter the average ISA deviation for descent in

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