The problem I have at the moment with this technique is I have to think about it when lining up for final, it's not intuitive to me like a crab landing is.
So dont use this method on final, crab down to threshold then use crossed controls
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If you can't keep straight on the centreline using the rudder on the approach you know you are going to run out of control authority when you land it,
Thats sounds very odd to me, Ive never heard of any airline pilot trying to keep straight on the approach using rudder plus any pilot that thinks that tbe crosswind component at 3-4 miles out is going to be the same at 30 feet cant have flown many approaches of any sort!