7030_cons_en - Regional Supplementary Procedures.pdf

EUR 5-2Regional Supplementary ProceduresNote.— The employment of Level 4 transponders, as a minimum, with an aircraft data linkprocessor (ADLP), is envisaged as a possible future requirement in association with the extended useof Mode S data link in an integrated air-ground communications network. A date will be proposed oncea strategy for surveillance and communications has been defined, with due regard to an agreedminimum five-year notification period.b) for VFR flights, conducted in Class B and C airspace as designated by the appropriate ATS authorityand in defined portions of Class D, E, F and G airspace where the carriage and operation of SSRtransponders have already been prescribed:1) Level 2 transponder, as a minimum, with downlink aircraft parameter capability denoted as basicfunctionality as detailed in 5.2.1.2, Table 1;c) Mode S equipped aircraft shall report, automatically, basic functionality which includes aircraftidentification (call sign used in flight);Note 1.— This aircraft identification is not provided by the 24-bit aircraft address.Note 2.— Level 1 transponders are not prescribed for international flights in the EUR Region.d) Mode S equipped aircraft with a maximum mass in excess of 5 700 kg or a maximum cruising true airspeedin excess of 324 km/h (175 kt) shall operate with antenna diversity.5.2.1.2 Specific requirements for DAPs are classified separately as shown in Tables 1 and 2.Table 1.Basic surveillance functionalityBasic functionalityAutomatic reporting of flight identity(call sign used in flight)Transponder capability reportAssociated register or protocolBDS 2.0BDS 1.0 (enabling transponder data link capacities to be determined)BDS 1.7 (enabling registers that the transponder provides to beestablished)Altitude reporting in 25-ft intervals(subject to aircraft availability)Flight status (airborne/on the ground)Mode C transmissionProvision of flight status filed data in the Mode S protocol30/11/07