# Commission Regulation (EC) No 262/2009 of 30 March 2009 laying down requirements for the coordinated allocation and use of Mode S interrogator codes for the single European sky (Text with EEA relevance), Division 1

Extent: E+W+S+N.I.

Chapter 3 ‘ Surveillance systems ’ , Section 3.1.2.5.2.1.2 ‘ IC: Interrogator code ’ of ICAO Annex 10 ‘ Aeronautical Telecommunications ’ , Volume IV ‘ Surveillance and Collision Avoidance Systems ’ (Fifth Edition, July 2014, incorporating Amendment 89).

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Source: https://www.legislation.gov.uk/eur/2009/262/annex/I/division/1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2009-262/annex-I/division-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.