Agency
FAA
Refresh cadence
every 14 days
Last successful sync
Pending first sync
Pipelines
nasr_sync
Category
Airport Operations
About this dataset
Published preferred IFR routes between major city pairs. Route strings with departure/arrival fix and altitude. IFR planning suggestions + AI routing.
Where this feed reaches
- Continental United States
A region on this list means we fetch it. It is not a promise of station density: a listed region can still have sparse or no reporting sites near a given airport.
Where you'll see it in AeroCopilot
Upstream publisher
www.fly.faa.gov/rmt/nfdc_preferred_routes_database.jspAeroCopilot is the canonical pipeline for this dataset inside the product. The link above goes to the upstream publisher for full documentation and data licensing.