The PA28R Arrow II I fly has an approach speed directly and linearly related to weight. It is between 80mph at 1800lbs and 90mph at 2600lbs (max weight)
Also flew a PA32 and the difference between max and min weight approach speed was almost 15 kts according to the POh.
Definitely worth taking in to account. Good airmanship to be aware of it too.
Last edited by Dude~; 3rd November 2005 at 16:40.