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Artanthos t1_jaa0xo2 wrote

Reply to comment by aspheric_cow in Magnetic pole reversal by Gopokes91

Airplanes use several different systems.

Yes, they do use gyroscopes, and they do get periodically recalibrated.

Doppler radar is another system. On airport approaches you have TACAN.

All of these systems allow the pilot to make course corrections.

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LoveandRice t1_jaakohs wrote

They do but as an air traffic controller in busy approach airspace, I will say that 70% of our instructions are headings. That would really mess up my job

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Artanthos t1_jaazdsk wrote

All my experience is on the other end.

I was an aviation electronics technician. I worked on the hardware.

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