The Traffic alert and Collision Avoidance System (TCAS)  is introduced to reduce the risk of mid-air collisions or near mid-air collisions between aircraft. When TCAS II version 7.1 is implemented the probability of mid-air collisions will be reduced significantly. *

The introduction of TCAS change 7.1 software is available for Fokker 50, Fokker 70 and Fokker 100 aircraft as well as for other types of aircraft like Airbus A318, A319, A320, A321, Boeing 737 series, 757, 767,  Bombardier Dash 8 and CRJ. CERTIFICATIONS | Fokker Services Group | Fokker Services Group

Systems from several major vendors are coversed in these STS's.

Dual transponder system ADS-B upgrade in Part 25 aircraft

The EFB Solution for iPad® is a very interesting and cost effective way to introduce an installed classified EFB in your cockpit. An EFB is a physical device containing hardware and software that carries flight documentation. The EFB is used by the flight crew on the flight deck during their duties. Fokker Services’ EFB modification has already been installed in more than 1300 aircraft amongst different aircraft types. Our EFB installation is ticking all the boxes and is available for most aircraft types, including Airbus, Boeing, ATR, Bombardier Challenger & CRJ Family, Embraer, Fokker and others. We can support you with all hardware for your power supply (USB-A and USB-C) and iPad mount (adjustable and pivot mount), our product includes an Engineering Bulletin and all related supplements.

Installation of a Rockwell Collins Dual ADF-60A Automatic Direction Finding System (ADF) onto a Fokker F27-200 aircraft

Introduction of Rockwell Collins Dual ADF-60 System in the F27 Mark 200. This installation replaces the existing BendixDual ADF System.In accordance with STC Twenty One Limited Master Drawing List document S21. MDL-0264 dated 14/12/2006 or later EASA approved revision. EASA.A.S.02900

Installation of ACSS T2CAS

Installation of a Universal Avionics Terrain Awareness and Warning System (TAWS).

Installation of a single Universal Avionics Flight Management System with integrated GPS in accordance with New Systems Master Drawing List 228-00-0001, Rev. H, dated August 6, 2004, or later FAA approved revision. Airplane Flight Manual Supplement No. 228-00-0011, Rev. A, dated August 12, 2004, or later FAA approved revision is required. 

Installation of Sundstrand Ground Proximity Warning System

Installation of an AlliedSignal CAS 67A traffic alert and collision avoidance system (TCAS), along with a Single Mode S Transponder.