diff --git a/Tools/autotest/default_params/copter-heli.parm b/Tools/autotest/default_params/copter-heli.parm
index 89b8b584d1..55b8653e9d 100644
--- a/Tools/autotest/default_params/copter-heli.parm
+++ b/Tools/autotest/default_params/copter-heli.parm
@@ -75,9 +75,8 @@ RC8_MIN         1000.000000
 RC8_TRIM        1500.000000
 WP_YAW_BEHAVIOR 2
 IM_ACRO_COL_EXP 0.2
-IM_STAB_COL_1   400
-IM_STAB_COL_2   600
-IM_STAB_COL_3   700
-IM_STAB_COL_4   900
-ATC_PIRO_COMP   1
+IM_STB_COL_1   40
+IM_STB_COL_2   60
+IM_STB_COL_3   70
+IM_STB_COL_4   90