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 fuel flow/pressure instruments. (W/TSIO-360-MB1)
Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights.
Replacement of existing landing and/or taxi light reflector and bulbs with high intensity discharge (HID) lighting systems.