While we are bickering on aegis radar detect range of 10miles to 30 miles if plane is flying low, keep in mind YJ12 range is almost 300 miles. If aegis ship has no AWAC support, the plane already unloaded that YJ12 and gone back long before that closing range of 10 to 30 miles. So, it's moot point anyway.Not sure where you got your "earth curvature calculator" from. Hopefully not the same place SamuraiBlue got his from. Here is a good one:
Even if your daredevil suicidal pilot goes down to 5m above the sea surface you will still get 27.7km detection distance.