You asked for an iPad 4 last month, but the guy in the red suit brought you a mini. You want to visit him to discuss his error, so you plan a trip to the airport closest to the north (magnetic) pole: Resolute Bay. But, when you open the approach plates, youre confused.
Traditional magnetic navigation is unreliable near the Earth's magnetic poles due to the vertical component of the magnetic field and rapidly changing magnetic variation.
To facilitate navigation in high latitudes, alternative systems are used: NAV CANADA employs true courses, while the FAA utilizes grid courses for approaches north of the Arctic Circle.
Flying with non-magnetic (true or grid) courses is managed using gyroscopic heading indicators (set to free mode) and compatible GPS units, requiring initial setup and periodic adjustments for accuracy.
You asked for an iPad 4 last month, but the guy in the red suit brought you a mini. You want to visit him to discuss his error, so you plan a trip to the airport closest to the north (magnetic) pole: Resolute Bay. But, when you open the approach plates, you’re confused.
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