diff --git a/Systems/a320-aerodynamics.xml b/Systems/a320-aerodynamics.xml
index 28dd06fe..a0a9e41d 100644
--- a/Systems/a320-aerodynamics.xml
+++ b/Systems/a320-aerodynamics.xml
@@ -61,26 +61,28 @@
aero/function/kCLge
aero/alpha-deg
+ atmosphere/density-altitude
- -9.8475 -0.5652
- -2.0912 0.0625
- -0.0098 0.2386
- 2.2280 0.4260
- 4.2779 0.5779
- 6.4218 0.7540
- 8.4561 0.9163
- 9.2699 0.9842
- 10.7094 1.0843
- 11.6170 1.1538
- 12.6496 1.2184
- 13.7292 1.2811
- 14.7930 1.3244
- 15.6981 1.1882
- 16.6352 1.1064
- 17.5725 1.0311
- 18.6045 1.0447
- 19.6052 1.0479
- 30.1264 0.6376
+ 0 43000
+ -9.8475 -0.5652 -0.5935
+ -2.0912 0.0625 0.0656
+ -0.0098 0.2386 0.2505
+ 2.2280 0.4260 0.4473
+ 4.2779 0.5779 0.6068
+ 6.4218 0.7540 0.7917
+ 8.4561 0.9163 0.9621
+ 9.2699 0.9842 0.8076
+ 10.7094 1.0843 0.6617
+ 11.6170 1.1538 0.5827
+ 12.6496 1.2184 0.5949
+ 13.7292 1.2911 0.6074
+ 14.7930 1.3444 0.5648
+ 15.6981 1.1882 0.5285
+ 16.6352 1.1064 0.4910
+ 17.5725 1.0311 0.4535
+ 18.6045 1.0447 0.4121
+ 19.6052 1.0479 0.3720
+ 30.1264 0.6376 -0.0494
@@ -258,7 +260,7 @@
aero/qbar-psf
metrics/Sw-sqft
- 0.0125
+ 0.014