[avi8torny]

I would pass. A90 is old. (could it be an E90?) With the current and ongoing changes in NextGen, the upgrades needed to satisfy 135 requirements will cause you to put that old girl to bed.
13 X earnings for a valuation is nuts in in the aviation business. Chances are they own the hangar and lease to the business. The net is most likely half the amount supplied.......