CS ACNS.D.AC.015 Data transmission

• ED Decision 2013/031/R found in: GM Remote Aerodrome Air Traffic Services (ED 2019/004/R) Issue 2 (Jul 2020)

CS ACNS.D.AC.015 Data transmission ED Decision 2013/031/R (See [AMC1 ACNS.D.AC.015](#_DxCrossRefBm573002679)) The surveillance system provides the following data in the replies: (a) The Mode A identity code in the range 0000 to 7777 (Octal). (b) The pressure altitude corresponding to within plus or minus 38.1 m (125 ft), on a 95 % probability basis, with the pressure-altitude information (referenced to the standard pressure setting of 1.01325 105 Pa),used on board the aircraft to adhere to the assigned flight profile. The pressure altitude ranges from minus 304 m (1 000 ft) to the maximum certificated altitude of aircraft plus 1520 m (5 000 ft). (c) Special Position Indication (SPI) for 15 to 30 seconds after an IDENT (SPI) command has been initiated by the pilot.