| Aviation Weather Center | NOAA / National Weather Service | METAR, TAF, G-AIRMET, SIGMET, winds and temperatures aloft, TCF |
| D-ATIS | Public third-party service | Runway in use and airport conditions |
| NOTAM relay | Developer server, FAA source data | NOTAMs for airports and FIRs along the route |
| Aeronautical data | FAA data, published by the developer | Airports, airways and procedures, updated each cycle |
| World Magnetic Model | NOAA, computed on device | Magnetic variation for any coordinate |
| Apple MapKit & StoreKit | Apple | Map display, subscriptions and restore purchases |