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 cabin door post and door latching mechanism modification kit.

Installation of aft cabin 3-passenger split bench seat.

Installation of NVIS aircraft lighting modification for an Airbus BO-105 Helicopter. Night Vision Imaging System (NVIS) modifications are required to maximize visual acuity and safety while operating an aircraft with night vision goggles (NVGs).

ASU offers nearly 40 STCs covering more than 80 makes and models of rotary and fixed-wing aircraft. 

Installation of Bleed Air Cabin Heater.

Installation of emergency medical systems.

Installation of emergency medical oxygen system.

Installation of emergency medical systems.

Installation of Teledyne Gill G-639 series lead acid battery, replacing nickel cadmium batteries.

Installation of cabin interior.