As part of CDM processes, the AU can provide preferences information either before or after the publication of DCB constraints. This information can be taken into account in the DCB processes to define measures reducing the impact on the AU costs. Simple preferences refer more specifically to light information like flight delay criticality indicator that can be considered by NMF human operators and systems - either at regional, sub-regional or local levels - to avoid ATFCM delay (e.g. slot exemption or level capping/re-routing proposal to avoid an ATFCM regulation) for critical flights.
|NIMS-21a||Initial Flight Planning management enhanced to support 4D for Step 1||Analysis|
|PJ.07-01||AU Processes for Trajectory Definition||SESAR 2020 Wave 1||Analysis|