![]() ![]() ![]() ![]() My understanding is that full alignment consists in "calculating" attitude based on gravity sensing, calculating latitude based on earth rate (which is compared to pilots "entered" latitude), finding true north by comparing A/C axis to the direction "vertical to earth rotation axis". I'm studying IRS at the moment and would like to submit a question regarding what exactly is drifting during their operation. ![]()
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January 2023
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