Vlad,
If Hobie 14 is about 220 pounds, Hobie 16 360lbs, Prindle 15 right in between at 300 pounds is my guess. More flotation than H14 or a skinny A-cat. These are fatter A-cat hulls= ok.
UNderstand 220 lbs plus gear is a load on a small performance cat.
+1 the Prindle 15 was 265 pounds (when new)