CNS Facilities

Within AT-One the following facilities are available in the area of Communication and Navigation Systems (CNS).

GBAS Station

The Ground Based Augmentation System (GBAS) is a satellite-based precision landing system for aircraft. At Braunschweig-Wolfsburg airport, the DLR Institute for Flight Guidance operates its own GBAS station to research precision approach procedures based on satellite navigation data.


The multilateration system (MLAT) at Braunschweig-Wolfsburg airport offers unique sensor technology that enables the highly accurate surveillance of arriving and departing objects as well as ground objects. It allows new procedures and technology to be researched under realistic conditions.

Airport Research and Innovation Facility Hamburg

The Airport Research and Innovation Facility (ARIF) at Hamburg-Fuhlsbüttel airport is a test and validation platform for ATM concept elements in the operational environment of an international airport.


Air-Ground Data Link

The DLR Institute of Flight Guidance has an efficient air-ground data link for analysing air-ground integration, remote control of aircraft and for assisting flight tests. The distinctive landmark of this data link station is a 30 metre-high antenna tower.


Supporting ANSPs with CPDLC implementation

The Cessna Citation II (PH-LAB) is one of the research aircraft operated by NLR Flight Test Operations

Europe is now getting ready for a broad implementation of the ATN/CPDLC service to increase the Air Traffic Management capacity. NLR carries out validation flights for ATN navigation and communication.


TRADEF is a platform consisting of hardware and software to accommodates the development, testing and validation of tracker software. Typical parts of the TRADEF facility are:

  • data inspection/manipulation tools (asterix, madrec)
  • simulation environment for generation of realistic traffic
  • testbed for running tracker software
  • evaluation environment for tracker output