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.
Installation of King KAS 297 altitude selector option
Installation of King KFC 200 2-axis(3 optional) flight control system.
Installation of the KMD 250 Multi-Function Display System with Optional Internal VFR GPS and Optional Traffic and Weather Sensors.
Installation of Bendix/King KMD 550/850 Multi-Function Display System with Optional Traffic, Terrain and Weather Sensors. This STC also is approved for some single-engine aircraft. See SA01105WI-D (2 of 2).
Installation of cockpit and general cabin arrangement and furnishings.
Installation of APU.
Installation of Sperry SP20 autopilot.
Installation of Bendix RDR-1 weather radar system, radome and relocation of airspeed pitot.
Floor modification, swivel seat installation.