The use of Hand-held fire extinguishers containing Halon in Aircraft will become prohibited end of 2025 and you will need to replace all them.

In this alteration the MODE S code is changed. 

Installation of Universal Avionics Systems Corporation (UASC) EFI-890R Flat Panel Displays and Optional Copilot APS-65 Flight Director Auto Pilot System in accordance with Duncan Aviation, Inc., Master Drawing List, No. 050218004, Revision B, dated June 15, 2005 or later FAA approved revision.

Installation of dual Avionics UNS-1L Flight Management Systems using Collins EFIS 84.

Installation of Norton radome kit No. 2090XS.

Install one, two, or three place side facing seat (frame only).

Installation of replacement fuel cell assemblies

Installation of replacement fuel cell assemblies

Installation of an equipment rack and provisions only for an antenna array.

Installation of an equipment rack and provisions only for an antenna array