> So what basically happens now is that at the (startup) airport the AGL > would be reported correctly, but once the terrain elevation increases > the reported AGL won't change (like in real life).
This sounds more like HAA (height above airport) or HAT (height above touchdown). Height AGL should be the current height above the ground directly below the aircraft. Height AGL should change as the terrain below the aircraft changes. Dave _______________________________________________ Flightgear-devel mailing list Flightgear-devel@flightgear.org http://mail.flightgear.org/mailman/listinfo/flightgear-devel 2f585eeea02e2c79d7b1d8c4963bae2d