| Instrument | What it is | What it requires | Force |
|---|---|---|---|
| ICAO Annex 11, Chapter 2 §2.28, Appendices 6 & 7 | Global standard | States must adopt fatigue-management regulation: prescriptive scheduling limits, an FRMS, or both. | binding on Contracting States |
| Regulation (EU) 2018/1139, Annex VIII | EU primary law | ATC service provision may not proceed unless fatigue is “managed through a rostering system” addressing duty periods, duty time and rest periods. | directly binding EU law |
| Regulation (EU) 2017/373, Annex IV Part-ATS, ATS.OR.315 & ATS.OR.320 | EU implementing rule | The fatigue policy (315) and the eight-element rostering system (320), the two operative articles. | directly binding EU law |
| AMC1 ATS.OR.315(a), AMC1 ATS.OR.320(a)(6);(7) | Acceptable Means of Compliance | Non-binding ways to demonstrate compliance. Defines night time as 00:00–05:59; supplies almost no other numbers. | non-binding, alternatives allowed |
| Regulation (EU) 2015/340, Annex I Subpart D §§3–4 | EU licensing regulation | Fatigue-prevention training as part of the ATCO's human-factors curriculum, the individual's licence, not the ANSP's rostering system. | directly binding EU law, different subject |
| EUROCONTROL NMD/SAF/2653 & NMD/SAF/2611 | Practitioner guidelines | Practical rostering and fatigue-management guidance. NMD/SAF/2653 sources five case studies and two constraint appendices to SkyRoster. | not law, not AMC |
| UK retained ATM/ANS IR & CAA ORS9 AMC/GM | Post-Brexit national law | The same ATS.OR.320 obligation, retained. The CAA has replaced part of EASA's AMC/GM with SRATCOH-derived values. | binding in the UK only |
ATC rostering · Regulatory framework
Connect roster policy to its regulatory basis.
Find the provisions that shape ATC rostering, from ICAO standards to EU law and supporting guidance. Review the source requirements before assessing how your policy maps to software configuration.
Fatigue policy and rostering systems
Read ATS.OR.315 and ATS.OR.320 together.
ATS.OR.320, Rostering system(s)
The eight rostering elements
“Maximum consecutive working days with duty… minimum rest periods… minimum number of rest periods within a roster cycle.” The article identifies the elements providers must specify. Full text, EASA's 2023 observed values, and what each element requires of a system.
ATS.OR.315, Fatigue
The fatigue policy and its owner
A fatigue management policy, signed by the accountable manager, plus a training programme. Review the policy and process requirements, including where rostering software can support them.
Further reading
Explore the regulations and supporting guidance.
Article
ATS.OR.320 in depth
The rostering-system article, quoted in full, element by element.
Article
ATS.OR.315 in depth
The fatigue-policy article, quoted in full, with AMC1's nine policy elements.
Regulation
Regulation (EU) 2017/373, structured
Where Part-ATS sits, how the licensing regulation fits alongside it, and the UK's divergence.
Global
ICAO Doc 9966
The manual behind Annex 11's fatigue standards, prescriptive limits and FRMS, compared.
Comparison
Limits compared
The eight ATS.OR.320 elements against what other States and guidelines actually set.
Article
Consulting controllers
What ATS.OR.320(b) obliges, and what it leaves to the ANSP to decide.
The ANSP remains responsible for defining its limits and consulting controllers under ATS.OR.320. SkyRoster applies supported configured rules; configuration does not establish regulatory compliance. Explore the rostering engine to assess how it supports your approved policy.
Map your approved policy to supported rules.
Outline your rostering requirements in a 20-minute discovery call. We’ll scope a tailored demo or evaluation of the relevant rules, configuration and gaps.