LTT has developed over the years a substantial bank of software dedicated to engine modeling, gas turbine performance, optimization techniques, emission analysis, mission analysis, diagnostic methods, etc. LTT has provided various clients with customized software operating in field together with appropriate documentation and/or training when requested. Software is available upon client’s request in a flexible and modular architecture. Final products can be distributed either as executable files or as dll files integrated into a larger software system. Detailed descriptions of developed software packages in LTT are given in the submenus below.