diff --git a/libraries/AP_Airspeed/AP_Airspeed.cpp b/libraries/AP_Airspeed/AP_Airspeed.cpp
index ac6a7b2d34..b61bec4c92 100644
--- a/libraries/AP_Airspeed/AP_Airspeed.cpp
+++ b/libraries/AP_Airspeed/AP_Airspeed.cpp
@@ -356,67 +356,67 @@ void AP_Airspeed::allocate()
             break;
         case TYPE_I2C_MS4525:
 #if AP_AIRSPEED_MS4525_ENABLED
-            sensor[i] = new AP_Airspeed_MS4525(*this, i);
+            sensor[i] = NEW_NOTHROW AP_Airspeed_MS4525(*this, i);
 #endif
             break;
         case TYPE_SITL:
 #if AP_AIRSPEED_SITL_ENABLED
-            sensor[i] = new AP_Airspeed_SITL(*this, i);
+            sensor[i] = NEW_NOTHROW AP_Airspeed_SITL(*this, i);
 #endif
             break;
         case TYPE_ANALOG:
 #if AP_AIRSPEED_ANALOG_ENABLED
-            sensor[i] = new AP_Airspeed_Analog(*this, i);
+            sensor[i] = NEW_NOTHROW AP_Airspeed_Analog(*this, i);
 #endif
             break;
         case TYPE_I2C_MS5525:
 #if AP_AIRSPEED_MS5525_ENABLED
-            sensor[i] = new AP_Airspeed_MS5525(*this, i, AP_Airspeed_MS5525::MS5525_ADDR_AUTO);
+            sensor[i] = NEW_NOTHROW AP_Airspeed_MS5525(*this, i, AP_Airspeed_MS5525::MS5525_ADDR_AUTO);
 #endif
             break;
         case TYPE_I2C_MS5525_ADDRESS_1:
 #if AP_AIRSPEED_MS5525_ENABLED
-            sensor[i] = new AP_Airspeed_MS5525(*this, i, AP_Airspeed_MS5525::MS5525_ADDR_1);
+            sensor[i] = NEW_NOTHROW AP_Airspeed_MS5525(*this, i, AP_Airspeed_MS5525::MS5525_ADDR_1);
 #endif
             break;
         case TYPE_I2C_MS5525_ADDRESS_2:
 #if AP_AIRSPEED_MS5525_ENABLED
-            sensor[i] = new AP_Airspeed_MS5525(*this, i, AP_Airspeed_MS5525::MS5525_ADDR_2);
+            sensor[i] = NEW_NOTHROW AP_Airspeed_MS5525(*this, i, AP_Airspeed_MS5525::MS5525_ADDR_2);
 #endif
             break;
         case TYPE_I2C_SDP3X:
 #if AP_AIRSPEED_SDP3X_ENABLED
-            sensor[i] = new AP_Airspeed_SDP3X(*this, i);
+            sensor[i] = NEW_NOTHROW AP_Airspeed_SDP3X(*this, i);
 #endif
             break;
         case TYPE_I2C_DLVR_5IN:
 #if AP_AIRSPEED_DLVR_ENABLED
-            sensor[i] = new AP_Airspeed_DLVR(*this, i, 5);
+            sensor[i] = NEW_NOTHROW AP_Airspeed_DLVR(*this, i, 5);
 #endif
             break;
         case TYPE_I2C_DLVR_10IN:
 #if AP_AIRSPEED_DLVR_ENABLED
-            sensor[i] = new AP_Airspeed_DLVR(*this, i, 10);
+            sensor[i] = NEW_NOTHROW AP_Airspeed_DLVR(*this, i, 10);
 #endif
             break;
         case TYPE_I2C_DLVR_20IN:
 #if AP_AIRSPEED_DLVR_ENABLED
-            sensor[i] = new AP_Airspeed_DLVR(*this, i, 20);
+            sensor[i] = NEW_NOTHROW AP_Airspeed_DLVR(*this, i, 20);
 #endif
             break;
         case TYPE_I2C_DLVR_30IN:
 #if AP_AIRSPEED_DLVR_ENABLED
-            sensor[i] = new AP_Airspeed_DLVR(*this, i, 30);
+            sensor[i] = NEW_NOTHROW AP_Airspeed_DLVR(*this, i, 30);
 #endif
             break;
         case TYPE_I2C_DLVR_60IN:
 #if AP_AIRSPEED_DLVR_ENABLED
-            sensor[i] = new AP_Airspeed_DLVR(*this, i, 60);
+            sensor[i] = NEW_NOTHROW AP_Airspeed_DLVR(*this, i, 60);
 #endif  // AP_AIRSPEED_DLVR_ENABLED
             break;
         case TYPE_I2C_ASP5033:
 #if AP_AIRSPEED_ASP5033_ENABLED
-            sensor[i] = new AP_Airspeed_ASP5033(*this, i);
+            sensor[i] = NEW_NOTHROW AP_Airspeed_ASP5033(*this, i);
 #endif
             break;
         case TYPE_UAVCAN:
@@ -427,18 +427,18 @@ void AP_Airspeed::allocate()
         case TYPE_NMEA_WATER:
 #if AP_AIRSPEED_NMEA_ENABLED
 #if APM_BUILD_TYPE(APM_BUILD_Rover) || APM_BUILD_TYPE(APM_BUILD_ArduSub) 
-            sensor[i] = new AP_Airspeed_NMEA(*this, i);
+            sensor[i] = NEW_NOTHROW AP_Airspeed_NMEA(*this, i);
 #endif
 #endif
             break;
         case TYPE_MSP:
 #if AP_AIRSPEED_MSP_ENABLED
-            sensor[i] = new AP_Airspeed_MSP(*this, i, 0);
+            sensor[i] = NEW_NOTHROW AP_Airspeed_MSP(*this, i, 0);
 #endif
             break;
         case TYPE_EXTERNAL:
 #if AP_AIRSPEED_EXTERNAL_ENABLED
-            sensor[i] = new AP_Airspeed_External(*this, i);
+            sensor[i] = NEW_NOTHROW AP_Airspeed_External(*this, i);
 #endif
             break;
         }
diff --git a/libraries/AP_Airspeed/AP_Airspeed_DLVR.cpp b/libraries/AP_Airspeed/AP_Airspeed_DLVR.cpp
index 211c36e328..75db53a9ad 100644
--- a/libraries/AP_Airspeed/AP_Airspeed_DLVR.cpp
+++ b/libraries/AP_Airspeed/AP_Airspeed_DLVR.cpp
@@ -50,7 +50,7 @@ AP_Airspeed_Backend *AP_Airspeed_DLVR::probe(AP_Airspeed &_frontend,
     if (!_dev) {
         return nullptr;
     }
-    AP_Airspeed_DLVR *sensor = new AP_Airspeed_DLVR(_frontend, _instance, _range_inH2O);
+    AP_Airspeed_DLVR *sensor = NEW_NOTHROW AP_Airspeed_DLVR(_frontend, _instance, _range_inH2O);
     if (!sensor) {
         return nullptr;
     }
diff --git a/libraries/AP_Airspeed/AP_Airspeed_DroneCAN.cpp b/libraries/AP_Airspeed/AP_Airspeed_DroneCAN.cpp
index fc143b11c0..4f0b3da42f 100644
--- a/libraries/AP_Airspeed/AP_Airspeed_DroneCAN.cpp
+++ b/libraries/AP_Airspeed/AP_Airspeed_DroneCAN.cpp
@@ -45,7 +45,7 @@ AP_Airspeed_Backend* AP_Airspeed_DroneCAN::probe(AP_Airspeed &_frontend, uint8_t
                 // match with previous ID only
                 continue;
             }
-            backend = new AP_Airspeed_DroneCAN(_frontend, _instance);
+            backend = NEW_NOTHROW AP_Airspeed_DroneCAN(_frontend, _instance);
             if (backend == nullptr) {
                 AP::can().log_text(AP_CANManager::LOG_INFO,
                                    LOG_TAG,