diff --git a/ROMFS/px4fmu_common/init.d/rc.mc_defaults b/ROMFS/px4fmu_common/init.d/rc.mc_defaults
index fa3653e0d5..a5c326ebc6 100644
--- a/ROMFS/px4fmu_common/init.d/rc.mc_defaults
+++ b/ROMFS/px4fmu_common/init.d/rc.mc_defaults
@@ -5,9 +5,9 @@ set VEHICLE_TYPE mc
 if [ $AUTOCNF == yes ]
 then
 	param set PE_VELNE_NOISE 0.5
-	param set PE_VELD_NOISE 0.7
+	param set PE_VELD_NOISE 0.35
 	param set PE_POSNE_NOISE 0.5
-	param set PE_POSD_NOISE 1.0
+	param set PE_POSD_NOISE 1.25
 	param set PE_GBIAS_PNOISE 0.000001
 	param set PE_ABIAS_PNOISE 0.0001