Aeronautical Engineers reported that Swiftair S.A. has selected AEI to provide eight B737-400SF passenger to freighter conversions. The contract calls for four firm orders plus an additional four options. The first aircraft, built in 1991 (MSN 24438) is a high gross weight B737-400 and is currently being modified at Commercial Jet Inc. in Miami, Florida, which is an authorized AEI Conversion Center. The second aircraft (MSN 24445) is on location in Miami and will commence modification in mid-September. All eight aircraft will be modified at Commercial Jet Inc. in Miami, Florida.