Aeronautical Engineers, Inc. (AEI) has signed a contract with European-based aviation asset management company, Vallair, to provide it with four 11 pallet position B737-400SF freighter conversions.  All of the conversions will be modified by Commercial Jet’s Dothan, Alabama facility with the first one commencing in May 2016, followed by the remaining three modifications in June, July and September of this year. The AEI B737-400SF is the only passenger to freighter conversion product that … [Read more...] about AEI wins four B737-400SF conversions from VALLAIR