Aeronautical Engineers, Inc. (AEI) announced today the company has signed a contract to provide Saltillo, Mexico-based Aeronaves T.S.M. S.A. de C.V.  (TSM) with one firm order for a B737-400SF, and an option for one additional freighter conversion. These aircraft represent TSM’s entry into the B737-400SF freighter platform. The first aircraft (MSN 28150) will commence modification in March 2021. All modification touch labor will be performed by the authorized AEI Conversion Center, Commercial Jet, in Dothan, Alabama.

TSM currently operates 13 AEI MD-80SF series freighters and is AEI’s largest customer for the platform. Additionally, TSM operates 6 AEI CRJ200 SF freighters.

AEI’s B737-400SF shall provide TSM with a highly flexible Ancra CLS capable of carrying multiple ULD’s including:

  • (10) 88”x125” ULDs in P1 to P10 and
  • (1) 53”x88”x64” Pallet or AEP/AEH or 60.4”x61.5” AKE/LD3 or 61.5”x88”x56”H AYY in P11

This unique flexibility has been designed by AEI to allow cargo operators to immediately adapt to multiple ULD configurations at a moment’s notice.  When combined with proven reliability, the AEI Converted B737-400SF will allow TSM to keep their aircraft – “In the air, generating revenue”.