AAS |

AAS 1.23 SYSTEM-BASED AIR TRAFFIC CONTROL LICENCE CONCEPT

IFATCA Policy is: IFATCA does not support ATC licensing concepts under which ATCOs are authorised to provide an ATC service based solely on the automation, equipment and/or systems utilised, because the contribution of ATCO skills and knowledge to the safe … Continued

AAS 1.08 4D TRAJECTORY CONCEPTS/MANAGEMENT

IFATCA Policy is: Implementation of 4D trajectory management requires appropriately designed airspace. See: Resolution B8, B9 – WP 91 – Toronto 2017, Resolution B7 – WP58 – Virtual 2022 See also: WP 86 – Arusha 2008

AAS 1.24 ATM SYSTEMS INTEROPERABILITY

IFATCA Policy is: Updates, upgrades, design and development of an ATM system shall: endeavour to increase, or at a minimum maintain, interoperability between neighbouring and global ATM systems to support seamless cross-border operations; endeavour to reduce, or at a minimum … Continued

AAS 1.09 REMOVAL OF GROUND BASED AIDS

The implementation of GNSS is precipitating the removal of certain ground based navigation aids. IFATCA is concerned that as these GNSS systems are subject to natural temporary degradation and unserviceabilities that there should not be a reliance on a sole … Continued

AAS 1.25 GNSS RFI

IFATCA Provisional Policy is: Globally harmonised phraseology shall be developed to report both GNSS RFI and false EGPWS alerts. See: WP 98 – Abu Dhabi 2025