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 the RDR-4000 Doppler Radar System in accordance with Master Drawing List 756-0174-001, Revision (E), dated August 20, 2006, or later FAA approved revisions.

Installation of the MK VII Enhanced Ground Proximity Warning System (EGPWS)(Tracor (convair) 340-31)

Installation of RDR-4B Weather Radar/Windshear System

Installation of a dual TRA-67 mode S transponder system.

Installation of a CAS-81 TCAS II system.

Installation of dual MST-67 Mode S ATC transponder system.

Installation of a CAS-81 TCAS II system.

Recore of Hamilton Standard Heat Exchangers 779215-1 and 779215-2 for installation on the SAAB SF340A and 340B in accordance with Honeywell LORI Sealed Drawing List SDL3400-1, Revision B, dated 10 October 2005 or later FAA approved revision.

CONFIURATION 1Installation of a Honeywell TPA-100B TCAS II Processor with Change 7.1 and Goodrich Electronic Flight Bag System with In-Trail Procedures Activation in accordance with Honeywell Master Drawing List 756-0234-001, revision A, dated June 3, 2011 or later FAA approved revision.CONFIGURATION 2Installation of a Honeywell TPA-100B TCAS II Processor with Change 7.1 in accordance with Honeywell Master Drawing List 756-0234-001, revision A, dated June 3, 2011 or later FAA approved revision.