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.

Yaw damper system YK875.

Installation of King KFC 200 automatic flight control system, (2 axis), with or without flight director.

Mitchell automatic flight system AK874 consisting of Century 21 autopilot.

Mitchell automatic flight system AK873 consisting of Century 41 autopilot or AK873FD.

Mitchell automatic flight system AK757 consisting of Century III autopilot with optional radio and and glide slope coupler.

Mitchell automatic flight system AK756 consisting of Century IIB autopilot with optional radio coupler.

Mitchell command electric trim AK718.

Installation of the Honeywell KFD 840 Primary Flight Display System.REQUIRED DATA: AML No. 159-08325-0002, Revision -, dated 12-1-2009. Later FAA approved revisions to the above listed data are incorporated without further revision to this Supplemental Type Certificate.

Mitchell automatic flight system AK719 consisting of Piper altimatic IIIC autopilot with optional radio and glide slope couplers.