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Open AccessProceedings

Mode S Transponder Comm-B Capabilities in Current Operational Aircraft

1
Faculty of Aerospace Engineering, Delft University of Technology, 2629 HS Delft, The Netherlands
2
Air Traffic Control the Netherlands (LVNL), 1117 CV Schiphol, The Netherlands
3
ONERA DTIS—Université de Toulouse, 31055 Toulouse, France
*
Author to whom correspondence should be addressed.
Presented at the 8th OpenSky Symposium 2020, Online, 12–13 November 2020.
Proceedings 2020, 59(1), 4; https://doi.org/10.3390/proceedings2020059004
Published: 1 December 2020
(This article belongs to the Proceedings of 8th OpenSky Symposium 2020)
Mode S surveillance allows air traffic controllers to interrogate certain information from aircraft, such as airspeeds, turn parameters, target altitudes, and meteorological conditions. However, not all aircraft have enabled the same capabilities. Before performing any specific interrogation, the surveillance radar must acquire the transponder capabilities of an aircraft. This is obtained via the common usage Ground-initiated Comm-B (GICB) capabilities report (BDS 1,7). With this report, third-party researchers can further improve the identification accuracy of different Mode S Comm-B message types, as well as study the compliance of surveillance standards. Thanks to the OpenSky network’s large-scale global coverage, a full picture of current Mode S capabilities over the world can be constructed. In this paper, using the OpenSky Impala data interface, we first sample over one month of raw BDS 1,7 messages from around the world. Around 40 million messages are obtained. We then decode and analyze the GICB capability messages. The resulting data contain Comm-B capabilities for all aircraft available to OpenSky during this month. The analyses in this paper focus on exploring statistics of GICB capabilities among all aircraft and within each aircraft type. The resulting GICB capability database is shared as an open dataset.
Keywords: OpenSky; Mode S; GICB; transponder capability; Comm-B OpenSky; Mode S; GICB; transponder capability; Comm-B
MDPI and ACS Style

Sun, J.; Vû, H.; Olive, X.; Hoekstra, J.M. Mode S Transponder Comm-B Capabilities in Current Operational Aircraft. Proceedings 2020, 59, 4. https://doi.org/10.3390/proceedings2020059004

AMA Style

Sun J, Vû H, Olive X, Hoekstra JM. Mode S Transponder Comm-B Capabilities in Current Operational Aircraft. Proceedings. 2020; 59(1):4. https://doi.org/10.3390/proceedings2020059004

Chicago/Turabian Style

Sun, Junzi; Vû, Huy; Olive, Xavier; Hoekstra, Jacco M. 2020. "Mode S Transponder Comm-B Capabilities in Current Operational Aircraft" Proceedings 59, no. 1: 4. https://doi.org/10.3390/proceedings2020059004

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