Planned System Degradation could be any potential reduction in the availability, reliability or integrity of any part of the ATM system, known in advance to the user of the system.
IFATCA Policy is:Risk assessments shall be carried out for any planned degradations or outages that may impact availability, reliability or integrity of any system, whole or in part, used in the provision of air traffic services (ATS). ATCOs shall be involved in the risk assessments and mitigations as well as the development of procedures and protocols for any planned degradations or outages. Procedures, protocols, and mitigations shall be clearly defined and implemented prior to the degradation, or removal from service, of any system, whole or in part, used in the provision of ATS. Arrangements shall be made for sufficient staffing during planned system degradations or outages. |
| See: WP 100 – Hong Kong 2004, Resolution B14 – WP 102 – Bucharest 2026 |
