Inav: F405 wing. RTL fault

[letruong6006]

I am using the latest INAV version for the F405 wing. in RTL mode. The plane flew in the circle above, I noticed that the plane flew about 5-6 loops above, the altitude dropped quite significantly and the radius was quite different from the settings, I installed the height of 120m and the radius of 50m . Throttle is about 30-40%, it flies quite fast, it is only accurate on the first flight above me, GPS is quite stable about 20 satellites, I use GPS BN280, my plane crashed into the bush because of the degree too low. Can someone help me?

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[Jetrell]

@letruong6006 At a guess, with out seeing your Diff files.
Do you have - nav_rth_home_altitude set to a reasonable value?

If its set to zero, it will loiter at the nav_rth_altitude. But if it is set to something very low like 5mtrs. Then it will descend and most likely hit the ground.
Remember these CLI values are in Centimeters and not Meters.

[letruong6006]

@ letruong6006 Theo phỏng đoán, không cần nhìn thấy các tệp Diff của bạn.
Bạn có - nav_rth_home_altitudethiết lập một giá trị hợp lý?
Nếu nó được đặt thành zero, nó sẽ loiter tại nav_rth_altitude. Nhưng nếu nó được đặt ở mức rất thấp như 5 triệu. Sau đó, nó sẽ hạ xuống và rất có thể sẽ chạm đất.
Hãy nhớ các giá trị CLI này được tính bằng centimet chứ không phải là mét.

I setup nav_rth_home_altitude = 12000cm.
The incident does not occur regularly

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