The U.S. aircraft register, updated daily
Who holds what · as the FAA records the name

Flight Systems Engineering, INC

Named as the FAA publishes it on its approvals.

Holds 3 approved modifications, most of them for the Boeing 767. FAA spelling: Flight Systems Engineering, Inc.

Approved modifications 3 · newest first

Boeing 767 1Boeing 747 1
2002-07-15ST01676CH · Installation of a Honeywell/AlliedSignal CAS-81 TCAS II Traffic Alert and Collision Avoidance System. · G-159
1999-06-30ST01931AT · This design approval and installation increases the Digital Flight Data Recorder parameters to meet the FAA... · 747 Series
1999-04-23ST01890AT · Installation adds 3 recording parameters (pitch control, lateral control, and rudder) Digital Flight Data Recorders (DFDRs). · 767-200 Series, 767-300 Series

Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, parts manufacturer approvals, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.