Installation of an AlliedSignal Engines TFE731-2C Turbofan Engine.

Installation of Honeywell (formerly AlliedSignal Aerospace) N1 Digital Electronic Engine Control (DEEC)

Installation of Howell ITT instruments.

Installation of TFE731-2 engines S/N P73143 and S/N P79101, modified in accordance with STC SE66WE.

Installation of a Multi Function Radar Display (MFRD) and EGPWS MK VIII in accordance with the Engineering Order Doc 2022874-EO-01,Issue 2 or later EASA approved revisions EASA.A.S.01060

Installation of a Kannad 406 ELT in accordance with Engineering Order Doc 2022256-EO-03, Issue 1 or later EASA approvedrevisions EASA.A.S.01059

Installation of jump seat and forward sliding toilet.

Installation of Rockwell Collins TCAS-4000 incl. Dual Mode S Transponder TDR-94D in accordance with the Engineering Order Doc 2022256-EO-01 Issue 2 or later EASA approved revisions EASA.A.S.01058

Installation of aft toilet.

Install emergency power and attitude system.