An Oceanic Trajectory Based Operations Concept Shaped by Operational Influences

Oceanic operations suffer from multiple inefficiencies, including large separation requirements relative to domestic airspace, time-consuming processes for amending en route trajectories, difficulties exchanging data between Flight Information Regions (FIRs), and restrictions on User Preferred Routes (UPRs). The result is that aircraft fly suboptimal trajectories, burning fuel and time that could be conserved. Transitioning to Trajectory Based Operations (TBO) is expected to improve operational efficiency. However, few TBO research initiatives involve operational personnel before it is too late for operational feedback to do more than de-scope the implementation to a single dimension. A human-centered approach to developing a concept for applying TBO to improve trajectory efficiency in oceanic airspace yielded a concept that explicitly incorporates uncertainty in strategic planning and requires careful consideration of the fourth dimension – in this case, altitude – in trajectory negotiation and conformance monitoring.


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  • Accession Number: 01710668
  • Record Type: Publication
  • Files: TRIS
  • Created Date: May 24 2019 3:51PM