diff --git a/ArduSub/Parameters.cpp b/ArduSub/Parameters.cpp
index f4d6154085..68fcc41a6c 100644
--- a/ArduSub/Parameters.cpp
+++ b/ArduSub/Parameters.cpp
@@ -732,6 +732,13 @@ void Sub::load_parameters()
     AP_Param::set_by_name("MNT_RC_IN_TILT", 8);
     // We should ignore this parameter since ROVs are neutral buoyancy
     AP_Param::set_by_name("MOT_THST_HOVER", 0.5);
+#if CONFIG_HAL_BOARD_SUBTYPE == HAL_BOARD_SUBTYPE_LINUX_NAVIGATOR
+    AP_Param::set_default_by_name("BARO_PROBE_EXT", 0);
+    AP_Param::set_default_by_name("SR0_EXTRA1", 10);
+    AP_Param::set_default_by_name("BATT_MONITOR", 4);
+    AP_Param::set_default_by_name("BATT_CAPACITY", 0);
+    AP_Param::set_default_by_name("LEAK1_PIN", 27);
+#endif
 }
 
 void Sub::convert_old_parameters()