diff --git a/uatparse/uatdata.go b/uatparse/uatdata.go
new file mode 100644
index 00000000..f04dbf18
--- /dev/null
+++ b/uatparse/uatdata.go
@@ -0,0 +1,30 @@
+package uatparse
+
+// AIRMET = AIRMET/SIGMET/ (TFR?)
+
+const (
+	UATMSG_TEXT   = 1
+	UATMSG_NEXRAD = 2
+	UATMSG_AIRMET = 3 // AIRMET. Decoded.
+
+	// How the coordinates should be used in a graphical AIRMET.
+	AIRMET_POLYGON = 1
+	AIRMET_ELLIPSE = 2
+	AIRMET_PRISM   = 3
+	AIRMET_3D      = 4
+)
+
+// Points can be in 3D - take care that altitude is used correctly.
+type GeoPoints struct {
+	Lat float64
+	Lon float64
+	Alt int32
+}
+
+type UATAirmet struct {
+	Points []GeoPoints // Points
+}
+
+type UATMsgDecoded struct {
+	Type int
+}