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.

FMS UNS-1L System Installation (UASC) EASA.A.S.02828

Installation of Honeywell ART 2000 Weather Radar System anda Honeywell KMD-850 MFD. EASA.A.S.01672

Installation of Honeywell EGPWS Mark VIII System and interface to Honeywell KMD-850 MFD via a KAC-502 EGPWS Module. EASA.A.S.01671

Installation of Traffic Alert Collision and Avoidance System Collins TCAS 4000 EASA.A.S.01242

TCAS TTR-4000 Upgrade to Version 7.1

Installation of AlliedSignal Aerospace TFE731-3D-1H or TFE731-3DR-1H Turbofan Engine(s).

Installation of AlliedSignal Aerospace N1 digital electronic engine control (DEEC).

Installation of Sundstrand Mark II ground proximity warning system.

Installation of nose taxi lights and landing lights switching modification.