Maui.
The answer to my question which I have determined through your benevolence, is that the speed restriction would apply in Class B airpace as far out over the water as the airspace is designated B, regardless of the 12 mile bit.
Now I just have to determine how far out it goes. Back to the charts.
I believe Class B extends to approx
40nm from the key airport traffic areas.
Not sure if this range is actually set in stone as there is no reference in part 91.
I stand to be corrected though.
