Originally Posted by
DaveReidUK
That sounds way out.
A 35-tonne CRJ7, for example, has around 1,500 sq ft of wing surface area alone, then add to that the remainder of the fuselage, empennage, etc.
Are you counting both sides of the wing i.e. total surface area? (Which might be a useful quantity for drag/skin friction purposes, say) The CRJ700 has a nominal wing area of 760 sqft, and that is the planform area, extended to centreline (so part of it isn't exposed). So there's likely more like 600 sqft actually exposed.
I was actually thinking of the CRJ200, which has about 500sqft of wing area and a 24 tonne MTOW, and rounding numbers off, to not be too specific.