MySky
 Second Officer
Flight distance : 364902 ft
Germany
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Over all it is not that complicated, as it was dicussed above, unless you really want to understand the electronics and software behind, which is calculating the deviation between the real north and the magnetic north ( which is btw. drifting a lot each year to the east) in relation to the current location. Independent from the calibration procedure, even the drift of the magnetic north has to be compensated in the firmware, which could not be done by a simple manual calibration as discribed in each drone manual. This compensation has to be done currently at least every one and a half year due to drift speed of the magnetic north.
Since 2009 i was building and programming multikopter ( quad and hexa ) and we never had such issues as discussed around the DJI drones and it's flyaways in the past. And yes, we were able to do autonomous waypoint flights since 2010, a long time before DJI was able to. The MA2 was the first consumer drone i have bought, but only due to the approaching new EU drone regulations and if they have finally been put in place, i will not be able to fly my old drones any longer. But after 10 years it is time for somthing new and i was impressed how precise the MA2 is flying and how accurate the sensors are.
To say it simple, the calibration requirement is overrated, especially due to the more precise compass IC's we have today than 10 year ago, as already mention by some other users.
A lot of magnetic and electromagnetic interference can cause such missbehavior of the compass, like metall in the ground, powerlines, hf transmission towers like mobile phone towers, crash, ......
DJI only requires those calibrations to assure the most pleasent and secure flight experience for the users, because, and please be not offended, most drone pilots are not trained to fly a drone without these electronic help like GPS or compass if they failed.
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