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 NVIS aircraft lighting modification for a Bell 222, 230 or 430 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. 

Manufacture of baggage floor protectors

Installation of an emergency medical services (EMS) interior. Also authorizes installation of EMS interior in Bell model 222U helicopters, serial numbers 47539, 47547, 47552, and 47564.

Installation of medical interior air transport unit. (222 s/n 47060)

Installation of medical interior air transport unit. (222U s/n 47542)

Installation of a dual pivot litter with cabinet.

Installation of a primary litter carriage and stowage cabinet.

Installation of emergency medical interior configuration using a Lifeport plus unit and ERDA swivelling seats.

Installation of medical interior air transport unit.