Where our navigation data comes from

The trainers use real published aeronautical data, so the procedures you practise are ones that exist. These are the sources.

Sources

• FAA Coded Instrument Flight Procedures (CIFP)

  Used for

  Departures, arrivals, approaches, transitions and runways

  Coverage

  United States and its territories only

  Licence

  A work of the US Government, not subject to copyright in the United States

• FAA National Airspace System Resource (NASR)

  Used for

  The plain-language names of departures and arrivals

  Coverage

  United States and its territories only

  Licence

  A work of the US Government, not subject to copyright in the United States

• OurAirports

  Used for

  Airport positions and runway lists worldwide

  Coverage

  Global

  Licence

  Placed in the public domain by its maintainer, David Megginson

  Note

  OurAirports compiles its data from the FAA, the former DAFIF, GeoNames and Wikipedia.

• World Magnetic Model (WMM2025)

  Used for

  Magnetic variation, so bearings read magnetic rather than true

  Coverage

  Global

  Licence

  Public domain

  Note

  Produced by NOAA and the British Geological Survey. Valid to 2030, and less accurate near the magnetic poles.

Not for real-world navigation. Always fly from current, official charts.