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Division 2 The following data items, where available on a digital bus, shall be transmitted by the transponder as requested by the ground-based surveillance chain, via the Mode S protocol and in accordance with the formats specified in ICAO document 9871 (2 nd edition):F1

United Kingdom

Original text. Later amendments are not shown.

  1. (a)

    MCP/FCU selected altitude;

  2. (b)

    roll angle;

  3. (c)

    true track angle;

  4. (d)

    ground speed;

  5. (e)

    magnetic heading;

  6. (f)

    indicated airspeed (IAS) or mach number;

  7. (g)

    vertical rate (barometric or baro-inertial);

  8. (h)

    barometric pressure setting (minus 800 hectoPascals);

  9. (i)

    track angle rate or true airspeed if track angle rate is not available.

Annotations

Textual amendments

F1

Substituted by Commission Implementing Regulation (EU) 2020/587 of 29 April 2020 amending Implementing Regulation (EU) No 1206/2011 laying down requirements on aircraft identification for surveillance for the single European sky and Implementing Regulation (EU) No 1207/2011 laying down requirements for the performance and the interoperability of surveillance for the single European sky (Text with EEA relevance).

Notes on Part C: Secondary surveillance radar transponder additi

Textual amendments

F1

Substituted by Commission Implementing Regulation (EU) 2017/386 of 6 March 2017 amending Implementing Regulation (EU) No 1207/2011 laying down requirements for the performance and the interoperability of surveillance for the single European sky (Text with EEA relevance).