SC-209, ATCRBS/Mode S Transponder

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SC-209, ATCRBS/Mode S Transponder, established January 7, 2005, completed DO-181E, Minimum Operational Performance Standards for Air Traffic Control Radar Beacon System/Mode Select (ATCRBS/Mode S) Airborne Equipment. DO-181E includes the decisions on 1090 Extended Squitter that resulted from updating DO-260A to DO-260B, Minimum Operational Performance Standards for 1090 MHz Extended Squitter Automatic Dependent Surveillance – Broadcast (ADS-B) and Traffic Information Services – Broadcast (TIS-B). The Committee is monitoring ICAO and industry Mode S developments, and is working towards a revised version of DO-181E in 2019.

In addition, the SC-209 has joined with SC-186 (Automatic Dependent Surveillance-Broadcast (ADS-B)) and EUROCAE WG 51 and WG-49 to form a super-group, the goal of which is to increase communication across the membership of committees developing standards for surveillance.


Co-ChairThomas PaganoRegulus Group
Co-ChairMatt EricksonL3Harris
Government Authorized RepresentativeMatt HaskinFederal Aviation Administration
SecretaryTim SteinerFederal Aviation Administration
Program DirectorAl SecenRTCA, Inc.

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2021 Meetings
December 17, 2021


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For additional meeting summaries, please contact the Program Director: Al Secen

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