낭만있는데

애드온 찾아보고있는데 설명에

True bearings (sometimes Grid bearings) should be used for navigation, as magvar over the continent varies a lot even for a short distance, and the value could even be as much as 180 degrees if you're flying somewhere between the Magnetic South Pole and Geographic South Pole.

Among these airfields, Wilkins Runway (YWKS), Troll Airfield (AT27/ENOE) have published RNAV Approach, see the links below for charts:

이렇게 써있음 ㅋㅋㅋ 극지방이라 Magnetic Var가 마구 튀어서 RNAV가 거의 필요한 모양

재밌겠다