diff --git a/Tools/autotest/default_params/plane-soaring.parm b/Tools/autotest/default_params/plane-soaring.parm
index f7ed7bf5f3..436f53a75a 100644
--- a/Tools/autotest/default_params/plane-soaring.parm
+++ b/Tools/autotest/default_params/plane-soaring.parm
@@ -1,7 +1,7 @@
 ARSPD_FBW_MAX   20
 ARSPD_FBW_MIN   6
 
-PTCH2SRV_I       0.500000
+PTCH2SRV_I       0.200000
 PTCH2SRV_IMAX    4000.000000
 
 SIM_THML_SCENARI 1
@@ -14,12 +14,12 @@ SOAR_ENABLE      1.000000
 SOAR_ENABLE_CH   0.000000
 SOAR_MIN_CRSE_S  10.000000
 SOAR_MIN_THML_S  20.000000
-SOAR_POLAR_B     0.031000
-SOAR_POLAR_CD0   0.027000
-SOAR_POLAR_K     25.600000
+SOAR_POLAR_B     0.045000
+SOAR_POLAR_CD0   0.050000
+SOAR_POLAR_K     71.10000
 SOAR_Q1          0.001000
-SOAR_Q2          0.030000
-SOAR_R           0.450000
+SOAR_Q2          0.100000
+SOAR_R           0.200000
 SOAR_VSPEED      0.700000
 
 TECS_SPDWEIGHT   2.000000