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 an MD-900 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. 

Adaption of a removable Cine Flex V14 Camera to an existing OEM approved camera mount. Additionally the certification of FM COM, Video Display on the main instrument panel and the communication and broadcasting rack in the PAX cabin

Installation of an aft equipment frame for use in an emergency medical interior.

Installation of a multipurpose cabin floor for use in an EMS environment.

Installation of a sliding window in cabin sliding door.

Installation of an EMS floor covering in accordance with Heli-Dyne Master Drawing List HD900-00-0010, Revision B, dated June 21, 1995, or later FAA approved revisions.

Installation of cabin hard interior panels in accordance with Heli-Dyne Master Drawing List HD900-00-0014, Revision A, dated June 21, 1995, or later FAA approved revisions.

Installation of an aft medical cabinet in accordance with Heli-Dyne Master Drawing List HD900-00-0005, Revision IR, dated March 16, 1995, or later FAA approved revisions.

Installation of Cabin Attendant Seats in accordance with Heli-Dyne Master Drawing List HD900-00-0004, Revision C, dated August 28, 1995, or later FAA approved revisions.