Originally Posted by
Eastbay1K
But oh, by the way, the pilot in question would know the aircraft was, for instance, a 757, and s/he has had previous wake turbulence experience above and beyond the normal, etc.
ATC usually gives us enough spacing, and that becomes the expectation. In some situations they don't, and we won't necessarily know that ahead of time. A lot depends on the conditions and our weight, which affects our ability to stay above the preceding aircraft's wake.