diff --git a/libraries/AP_InertialSensor/AP_InertialSensor.cpp b/libraries/AP_InertialSensor/AP_InertialSensor.cpp
index b9aac1f684..553757ae36 100644
--- a/libraries/AP_InertialSensor/AP_InertialSensor.cpp
+++ b/libraries/AP_InertialSensor/AP_InertialSensor.cpp
@@ -802,7 +802,7 @@ bool AP_InertialSensor::_calculate_trim(const Vector3f &accel_sample, float& tri
     trim_roll = atan2f(-accel_sample.y, -accel_sample.z);
     if (fabsf(trim_roll) > radians(10) ||
         fabsf(trim_pitch) > radians(10)) {
-        hal.console->println("trim over maximum of 10 degrees");
+        hal.console->printf("trim over maximum of 10 degrees\n");
         return false;
     }
     hal.console->printf("Trim OK: roll=%.2f pitch=%.2f\n",
@@ -1017,7 +1017,7 @@ AP_InertialSensor::_init_gyro()
     AP_Notify::flags.initialising = true;
 
     // cold start
-    hal.console->print("Init Gyro");
+    hal.console->printf("Init Gyro");
 
     /*
       we do the gyro calibration with no board rotation. This avoids
@@ -1056,7 +1056,7 @@ AP_InertialSensor::_init_gyro()
 
         memset(diff_norm, 0, sizeof(diff_norm));
 
-        hal.console->print("*");
+        hal.console->printf("*");
 
         for (uint8_t k=0; k<num_gyros; k++) {
             gyro_sum[k].zero();
@@ -1109,7 +1109,7 @@ AP_InertialSensor::_init_gyro()
 
     // we've kept the user waiting long enough - use the best pair we
     // found so far
-    hal.console->println();
+    hal.console->printf("\n");
     for (uint8_t k=0; k<num_gyros; k++) {
         if (!converged[k]) {
             hal.console->printf("gyro[%u] did not converge: diff=%f dps (expected < %f)\n",
@@ -1648,7 +1648,7 @@ void AP_InertialSensor::_acal_save_calibrations()
 
     if (fabsf(_trim_roll) > radians(10) ||
         fabsf(_trim_pitch) > radians(10)) {
-        hal.console->print("ERR: Trim over maximum of 10 degrees!!");
+        hal.console->printf("ERR: Trim over maximum of 10 degrees!!");
         _new_trim = false;  //we have either got faulty level during acal or highly misaligned accelerometers
     }
 
diff --git a/libraries/AP_InertialSensor/AP_InertialSensor_Invensense.cpp b/libraries/AP_InertialSensor/AP_InertialSensor_Invensense.cpp
index 2f8376d31c..51775cfa20 100644
--- a/libraries/AP_InertialSensor/AP_InertialSensor_Invensense.cpp
+++ b/libraries/AP_InertialSensor/AP_InertialSensor_Invensense.cpp
@@ -893,7 +893,7 @@ bool AP_InertialSensor_Invensense::_hardware_init(void)
     _dev->get_semaphore()->give();
 
     if (tries == 5) {
-        hal.console->println("Failed to boot Invensense 5 times");
+        hal.console->printf("Failed to boot Invensense 5 times\n");
         return false;
     }
 
@@ -944,7 +944,7 @@ int AP_Invensense_AuxiliaryBusSlave::passthrough_read(uint8_t reg, uint8_t *buf,
     assert(buf);
 
     if (_registered) {
-        hal.console->println("Error: can't passthrough when slave is already configured");
+        hal.console->printf("Error: can't passthrough when slave is already configured\n");
         return -1;
     }
 
@@ -970,7 +970,7 @@ int AP_Invensense_AuxiliaryBusSlave::passthrough_read(uint8_t reg, uint8_t *buf,
 int AP_Invensense_AuxiliaryBusSlave::passthrough_write(uint8_t reg, uint8_t val)
 {
     if (_registered) {
-        hal.console->println("Error: can't passthrough when slave is already configured");
+        hal.console->printf("Error: can't passthrough when slave is already configured\n");
         return -1;
     }
 
@@ -993,7 +993,7 @@ int AP_Invensense_AuxiliaryBusSlave::passthrough_write(uint8_t reg, uint8_t val)
 int AP_Invensense_AuxiliaryBusSlave::read(uint8_t *buf)
 {
     if (!_registered) {
-        hal.console->println("Error: can't read before configuring slave");
+        hal.console->printf("Error: can't read before configuring slave\n");
         return -1;
     }
 
diff --git a/libraries/AP_InertialSensor/AP_InertialSensor_LSM9DS0.cpp b/libraries/AP_InertialSensor/AP_InertialSensor_LSM9DS0.cpp
index 700acd8881..a0f363a8d3 100644
--- a/libraries/AP_InertialSensor/AP_InertialSensor_LSM9DS0.cpp
+++ b/libraries/AP_InertialSensor/AP_InertialSensor_LSM9DS0.cpp
@@ -499,7 +499,7 @@ bool AP_InertialSensor_LSM9DS0::_hardware_init()
 #endif
     }
     if (tries == 5) {
-        hal.console->println("Failed to boot LSM9DS0 5 times\n");
+        hal.console->printf("Failed to boot LSM9DS0 5 times\n\n");
         goto fail_tries;
     }
 
@@ -773,28 +773,28 @@ bool AP_InertialSensor_LSM9DS0::update()
 /* dump all config registers - used for debug */
 void AP_InertialSensor_LSM9DS0::_dump_registers(void)
 {
-    hal.console->println("LSM9DS0 registers:");
-    hal.console->println("Gyroscope registers:");
+    hal.console->printf("LSM9DS0 registers:\n");
+    hal.console->printf("Gyroscope registers:\n");
     const uint8_t first = OUT_TEMP_L_XM;
     const uint8_t last = ACT_DUR;
     for (uint8_t reg=first; reg<=last; reg++) {
         uint8_t v = _register_read_g(reg);
         hal.console->printf("%02x:%02x ", (unsigned)reg, (unsigned)v);
         if ((reg - (first-1)) % 16 == 0) {
-            hal.console->println();
+            hal.console->printf("\n");
         }
     }
-    hal.console->println();
+    hal.console->printf("\n");
 
-    hal.console->println("Accelerometer and Magnetometers registers:");
+    hal.console->printf("Accelerometer and Magnetometers registers:\n");
     for (uint8_t reg=first; reg<=last; reg++) {
         uint8_t v = _register_read_xm(reg);
         hal.console->printf("%02x:%02x ", (unsigned)reg, (unsigned)v);
         if ((reg - (first-1)) % 16 == 0) {
-            hal.console->println();
+            hal.console->printf("\n");
         }
     }
-    hal.console->println();
+    hal.console->printf("\n");
 
 }
 #endif
diff --git a/libraries/AP_InertialSensor/AP_InertialSensor_UserInteract_MAVLink.cpp b/libraries/AP_InertialSensor/AP_InertialSensor_UserInteract_MAVLink.cpp
index 2a666070ce..7e05a41a03 100644
--- a/libraries/AP_InertialSensor/AP_InertialSensor_UserInteract_MAVLink.cpp
+++ b/libraries/AP_InertialSensor/AP_InertialSensor_UserInteract_MAVLink.cpp
@@ -32,7 +32,7 @@ bool AP_InertialSensor_UserInteract_MAVLink::blocking_read(void)
             return true;    
         }
     }
-    hal.console->println("Timed out waiting for user response");
+    hal.console->printf("Timed out waiting for user response\n");
     _gcs->set_snoop(nullptr);
     return false;
 }