junebug172
"It is not necessary to eliminate the crosswind crab angle prior to touchdown on wet runways"
The reason to decrab before touch down is undercarriage is not designed to take high side stress. By design nose wheel aircrft CG swings the aircraft straight but at the point of touch down side stress is imposed on the gear. In your quote about 747 FCTM the word wet is important because on wet RW the a/c at the point of touch down skids straight on which reduces the side stress and then when it grips the surface it swings straight ahead. It is not recommended on dry surface.