Alerting system for Mode S interrogator code conflicts: Latvian ANSP selects DFS application
The Latvian air navigation service provider Latvijas Gaisa Satiksme (LGS) will introduce the Mode S Interrogator Code Conflict Alerter (MICCA) of the German air navigation service provider DFS Deutsche Flugsicherung which detects and displays Mode S target acquisition problems in real time. The main feature of the application is to identify interrogator code conflicts which can result in aircraft not being detected by one or more Mode S sensors. By taking on this technology, LGS is fulfilling the European Commission´s requirements contained in Article 7 of Regulation (EC) 262/2009, which states that the ANSPs of Member States must provide monitoring of such interrogator code conflicts in a timely manner. The installation of the application, the adaptation to the local infrastructure and the training of personnel are scheduled to be completed by February 2014.
The DFS application MICCA detects incorrect, delayed and missing Mode S target acquisitions which occur, for example, in connection with interrogator code conflicts. Such conflicts arise when two Mode S sensors with overlapping coverage areas use the same interrogator code for target acquisition. As a consequence, aircraft may not be detected by one or more of the Mode S systems in the overlapping area.
DFS developed the application in-house and has been using it to monitor its Mode S facilities since 2010.
"It is important to quickly identify target acquisition problems so that the system monitoring can accurately assess the performance levels of radar stations in real time and, if needed, take corrective action in a timely manner" according to Aleksejs Javorskis, Deputy Chief of Radar Division at LGS.
MICCA can display target acquisition problems in real time using various methods of data visualisation. One possibility is to display the number of problems for each sensor on a time axis. Another possibility is to represent the exact location where a delay occurred in aircraft target acquisition or where there was no acquisition at all.
For further information, please contact:
DFS Deutsche Flugsicherung GmbH, Stephanie Schmiedel, telephone: +49 (0)6103 707-1388,
fax: +49 (0)6103 / 707-4995, E-mail: Stephanie.Schmiedel@dfs.de
Latvijas Gaisa Satiksme, Kristaps KārkliņÂš, telephone: +371 6730 0950, fax: +371 6730 0970,
DFS Deutsche Flugsicherung GmbH, the German air navigation service provider, is a State-owned company under private law and has 6,000 employees. DFS ensures the safe and punctual flow of air traffic over Germany. Staff coordinate up to 10,000 aircraft movements in German airspace every day, and about three million movements every year. This makes Germany the country with the highest traffic volume in Europe. DFS operates control centres in Langen, Bremen, Karlsruhe and Munich. In addition, DFS is represented in the Eurocontrol Centre in Maastricht, the Netherlands, and in the control towers of the 16 international German airports. DFS provides training and consultancy services around the world and develops and sells air traffic management systems. The company´s portfolio also comprises flight-relevant data, aeronautical publications and aeronautical information services. DFS has the following business units: Control Centre, Tower, Aeronautical Solutions and Aeronautical Information Management.
The state joint-stock company Latvijas Gaisa Satiksme (LGS) is the air navigation service provider for Riga Flight Information region. LGS facilitates the safe movement of aircraft in the airspace of Latvia by means of efficient and cost-effective methods. It provides air navigation and meteorological services on a long-term, sustainable basis. Flight safety and customer satisfaction are the main focus of the company. LGS is subject to the Ministry of Transport of the Republic of Latvia. The company’s main revenue originate from air navigation charges, it does not receive state funding. LGS was founded on October 21, 1991 as a 100% state-owned air navigation service provider based on structural units of the liquidated company Aeroflot. On June 12, 1997 its legal status was changed into a state joint-stock company. On 17 February 2006 the company was renamed as Latvijas Gaisa Satiksme.
DFS Deutsche Flugsicherung GmbH
Am DFS-Campus 10
+49 (0)6103 707-1388
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