diff --git a/radio/1.4/IRadio.hal b/radio/1.4/IRadio.hal
index 8438777..61b74c1 100644
--- a/radio/1.4/IRadio.hal
+++ b/radio/1.4/IRadio.hal
@@ -18,6 +18,7 @@
 
 import @1.0::Dial;
 import @1.2::DataRequestReason;
+import @1.2::NetworkScanRequest;
 import @1.3::IRadio;
 import @1.4::AccessNetwork;
 import @1.4::DataProfileInfo;
@@ -130,6 +131,17 @@
             bitfield<EmergencyServiceCategory> categories);
 
     /**
+     * Starts a network scan
+     *
+     * @param serial Serial number of request.
+     * @param request Defines the radio networks/bands/channels which need to be scanned.
+     *
+     * Same API as @1.2::IRadio.startNetworkScan_1_2, except using the
+     * @1.4::IRadioResponse.startNetworkScanResponse_1_4 as the response.
+     */
+    oneway startNetworkScan_1_4(int32_t serial, NetworkScanRequest request);
+
+    /**
      * Query the preferred network type bitmap.
      *
      * @param serial Serial number of request.
diff --git a/radio/1.4/IRadioResponse.hal b/radio/1.4/IRadioResponse.hal
index df40969..a58a5c1 100644
--- a/radio/1.4/IRadioResponse.hal
+++ b/radio/1.4/IRadioResponse.hal
@@ -50,6 +50,23 @@
 
     /**
      * @param info Response info struct containing response type, serial no. and error
+     *
+     * Same API as @1.1::IRadioResponse.startNetworkScanResponse, except disallowing error codes
+     * OPERATION_NOT_ALLOWED and REQUEST_NOT_SUPPORTED.
+     *
+     * Valid errors returned:
+     *   RadioError:NONE
+     *   RadioError:RADIO_NOT_AVAILABLE
+     *   RadioError:DEVICE_IN_USE
+     *   RadioError:INTERNAL_ERR
+     *   RadioError:NO_MEMORY
+     *   RadioError:MODEM_ERR
+     *   RadioError:INVALID_ARGUMENTS
+     */
+    oneway startNetworkScanResponse_1_4(RadioResponseInfo info);
+
+    /**
+     * @param info Response info struct containing response type, serial no. and error
      * @param cellInfo List of current cell information known to radio
      *
      * Valid errors returned: