Originally Posted by H46Bubba

It's less than a CRJ-700. At what weight(max gross or empty) is the limit as far as DL's scope is concerned?
Here is what Bombardier has published for Q400 weight specs for the high gross weight version:

Weights: High Gross Weight Version (HGW)

Maximum takeoff weight 64,500 lb 29,257 kg
Maximum landing weight 61,750 lb 28,009 kg
Maximum zero fuel weight 57,000 lb 25,855 kg
Operating weight empty 37,888 lb 17,185 kg
Maximum payload 19,112 lb 8,670 kg