diff --git a/posix-configs/SITL/init/rcS_jmavsim_iris b/posix-configs/SITL/init/rcS_jmavsim_iris
index 88a3f3978e..f7c4982ed5 100644
--- a/posix-configs/SITL/init/rcS_jmavsim_iris
+++ b/posix-configs/SITL/init/rcS_jmavsim_iris
@@ -32,6 +32,12 @@ param set COM_RC_IN_MODE 1
 param set NAV_ACC_RAD 2.0
 param set RTL_RETURN_ALT 30.0
 param set RTL_DESCEND_ALT 10.0
+param set MIS_TAKEOFF_ALT 5.0
+param set MPC_HOLD_MAX_Z 2.0
+param set MPC_HOLD_XY_DZ 0.1
+param set MPC_HOLD_Z_DZ 0.1
+param set MPC_Z_VEL_MAX 2.0
+param set MPC_Z_VEL_P 0.4
 rgbledsim start
 tone_alarm start
 gyrosim start
@@ -59,5 +65,6 @@ mavlink stream -r 80 -s ATTITUDE_TARGET -u 14556
 mavlink stream -r 20 -s RC_CHANNELS -u 14556
 mavlink stream -r 250 -s HIGHRES_IMU -u 14556
 mavlink stream -r 10 -s OPTICAL_FLOW_RAD -u 14556
+mavlink stream -r 20 -s MANUAL_CONTROL -u 14556
 mavlink boot_complete
 sdlog2 start -r 100 -e -t -a