SIDs, STARs and approaches, airport by airport

How to read the map

The colours work like the flight categories on the weather map. Filled green is good, and the other colours tell you what is left to do.

• Green: complete. Every procedure the source publishes is in the app and drawn.
• Green ring: drawn, but not yet checked against the charts. Either we have no chart list from that authority yet, or other navigation data names procedures that the list leaves out.
• Blue: gaps within a type. Some procedures of that type are published but not drawn, or we hold them back for now.
• Red: a published type is missing entirely, for example no STARs at all. Amsterdam is red because LVNL does not code STARs. A filter such as ILS applies the same colours to just that kind.
• Purple: placeholders only. The airport is on the list, the procedures are not there yet.
• Grey: the airport is not in the app yet, or it only has a diagram and no procedures.

Filter by procedure type

Filter the map on SID, STAR or approach. Approaches split further by kind, such as ILS, RNP and VOR. So you can ask a precise question: which airports near my route have an RNP approach, or which ones have STARs I can fly?

Click a dot and the airport card tells you what is there and what is not.

Where the procedures come from

We build procedures from the official data of the country that publishes them. We do not guess a route and we do not copy it from a chart by eye.

• United States: the FAA.
• Germany: DFS.
• France: SIA.
• Netherlands: LVNL.
• Finland: Fintraffic.
• Austria: Austro Control.

Published, coded, drawn

Every procedure on the map goes through three steps. The difference between them explains most of the gaps.

Published: the procedure is on the airport's charts in the national AIP. That is the chart you would fly from.

Coded: the authority also publishes it as data, leg by leg, the way a navigation database is built.

Drawn: we turned that data into the procedure on your map.

A procedure can stop along the way. These are the four places it stops, and whose step it is.

• Not coded by the source: the authority only publishes the chart, so there is no data to draw it from. At Lyon, for example, the SIA publishes the ILS and VOR approaches as charts only. LVNL's STARs are the same. We do not guess a path, because a path you cannot trust is worse than no path. This one is on the source.
• Published without coded legs: the authority lists the procedure, but its data has no legs. This one is on the source too.
• Coded, not drawn yet: the data exists and we have not drawn it. That one is on us.
• Held back: we drew it, but it failed our geometry check. It stays off the map until it is checked. That one is on us too.

Drawn, but not checked

To say an airport is complete, we need the list of what it publishes, so we can hold our drawings against it. Not every authority gives us that list yet. Where we do not have it, the dot is a green ring and not a filled one: what we draw is real, but we cannot tell whether an approach is missing.

Procedures are in early access

The procedures are still in early access. If you want to try them, ask for access in the SkyNexus Discord.

• Ask for access on Discord

More on SkyNexus

• Airports with runways and data for the airports on the site.
• SimBrief EFB for the briefing that reads your OFP.

Navdata coverage FAQ

Is my airport supported?

Open the map and search for it. If the dot is green (a filled dot or a ring), blue or red, the airport has procedures in the app. A ring means we draw it but cannot check it against the charts yet. Purple means placeholders only, and grey means it is not in the app yet or it only has a diagram.

Why does Lyon show RNP but not ILS approaches?

The French SIA publishes no coding tables for the ILS and VOR approaches at Lyon Saint-Exupéry, LFLL. It does publish them for the RNP approaches. We only draw what the source codes, so you see the RNP approaches and the ILS and VOR ones stay missing. Under the All filter, the Lyon dot is blue, because some of its approaches are drawn and some are not. Pick the ILS filter and it turns red, because ILS approaches are published there and none is drawn. That changes if SIA publishes it.

How often is it updated?

Every AIRAC cycle, so every 28 days. The map and the numbers on it move with the new cycle.

What is the difference between coded and drawn?

Coded means the authority publishes the procedure as data, leg by leg, the way a navigation database is built. Drawn means we turned that data into the procedure on your map. A procedure can be on the chart and not coded, and then there is nothing to draw. Or it can be coded and not drawn yet, and then the gap is ours. On the airport card, the line under a gap tells you which one it is.

Why is an airport blue and not green?

Blue means the airport has procedures of a type, but some are published and not drawn, or we hold them back until they are checked. Click the dot and the airport card lists what is there.