Free Route Flow restriction to allow additional x-border FRA options and to ensure LoA and OLDI conditions.
1.lower FL band - routing via 1a is required to avoid sector clipping / balcony issue.
ARR flows via listed points in 1b, c are normally calculated below MUAC by PTR, here listed to avoid CFSP calculation issues.
2.Traffic via the middle FL band need to file via MAPOX (no additional x border options).
Note, NW bound via Gate ABV FL335 no restriction in regard to x border options.
------
To avoid sharp turns and unexpected sector sequence.
1.Westbound traffic via the Brussels sector group shall file via LIRSU Gate (EDGTLIRSU).
2.Northbound traffic via Holstein, Celle or Solling sector shall file via ELNAT Gate (EDGTELNAT) or via BERXO Gate (EDGTBERXO).
3.Traffic cannot cross the MAPOX Gate and then proceed via waypoint TORNU. When EHTRA12AZ is active, traffic shall plan via TIVUN Gate (EDGTTIVUN) and then towards TORNU or via MAPOX Gate and then via OTMEC - NIGUG.