9/9/2023 0 Comments Flightgear route managerDownload the Level-D formatted files from the Navigraph manual install page log in and pay for the access when prompted.The route files are not free access for a single AIRAC cycle and subscriptions can be bought at Navigraph. when flying North Atlantic TracksĪs of FlightGear 2.4.0, the route manager has basic SID/ STAR support. KJFK airport identifier UW navaid identifier ( NDB, VOR or a fix/interaction) TLA/210/35 offset from a navaid - in this example, the 210-degree magnetic radial from TLA VOR, 35 nautical miles out WOBAD fix, at eighteen thousand feet altitude 12.3 nautical miles from SPL VOR on the 050 magnetic radial, at two thousand feet -20,55 virtual point at W020N55, eg. In the future, auto-routing using airways or VOR-VOR routing will also be added. Contact the developer list if you are interested on working on support for further file formats. You can also use a 3rd party flight-planning tool to create the route, export the route in GPX format and load the file with the route manager (requires FlightGear >= 2.99 and the file must have the suffix ".gpx"). Routes can be loaded and saved to and from a simple XML format, so you may prefer to create the routes in a text editor, and load them instead of entering them by hand. Until departure and arrival procedures are supported, you can often define them yourself, by creating offset waypoints, as shown in the examples below. "TLA DCS HON WCO BNN" and the result is the same as typing individually and pressing the add button for each. These should be separated by spaces, e.g. In practice, navaids with conflicting names are located far enough apart that this works automatically in practice.įrom Flightgear 2016.2.0 onwards, it is also possible to add a list of waypoints using the route manager dialog. Since navaid identifiers are not unique, the route-manager uses your departure airport or the previously defined waypoint to locate the identifier search. The simplest way to define a route is to add waypoints one at a time by identifier. In the FlightGear route manager, the active leg is from the previous waypoint to the current waypoint - i.e the current waypoint is where you're heading to at the moment. Many real-world devices deal in legs primarily, since each leg corresponds to a desired track, a distance and possibly an altitude to climb / descend. Normally, the route-manager moves automatically to the next waypoint after passing the current point (this is known as 'sequencing'), but if necessary the active waypoint can be manually adjusted.Īn important piece of terminology is a leg, which is a section of route between two waypoints. The route-manager maintains a current waypoint, which is shown in route-manager dialog, the GPS dialog (in LEG mode), on the default HUD, and potentially in cockpit displays in the aircraft. In the future, other data, especially speed restrictions, may also be associated with waypoints. Each waypoint may also have an altitude associated with it, for vertical navigation modes (VNAV). Route manager waypoints are entered as a navaid ident, an explicit latitude/longitude pair, or as an offset (bearing and distance) from another navaid. All information is currently optional, which is highly unrealistic, but convenient. The route-manager maintains a flight-plan, consisting of departure, destination, alternate airport and cruise information, as well as a list of waypoints. In general core features exist in whichever place seems the most natural, and it's up to instruments to aggregate the core modules as they require. It's important to realize that the route-manager (and GPS) are pieces that a panel instrument might present as a single real world device - the mapping between C++ modules, generic user interface and in-panel instruments is very fluid, by design. The route-manager is also how a flight plan is made available to FlightGear - in the future this will hopefully permit better ATC and multi-player interactions, since ATC logic or controllers will be able to observe the filed plan associated with a pilot. Some panel instruments may provide access to the route manager via their own UI, but the route-manager is always available through a generic dialog box. The route-manager models part of the functionality found in real-world GPS and FMS devices, but is usable in any aircraft. (in the following sections, familiarity with basic IFR concepts, Autopilot usage and radio navigation is assumed)
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