diff --git a/src/renderer/components/AirportEdit.vue b/src/renderer/components/AirportEdit.vue
index b53c37f..8fb02e4 100644
--- a/src/renderer/components/AirportEdit.vue
+++ b/src/renderer/components/AirportEdit.vue
@@ -30,19 +30,33 @@
     <div v-if="airport">
         <el-row>
           <el-col :span="7">AWOS :</el-col>
-          <el-col :span="15"><el-input placeholder="Please input AWOS frequency" v-model="AWOS" v-bind:class="{ invalid: !awosOk}">></el-input></el-col>
+          <el-col :span="15"><el-input placeholder="Please input AWOS frequency" v-model="AWOS" 
+          :disabled="!editing"
+          v-bind:class="{ invalid: !awosOk && editing}">></el-input></el-col>
         </el-row>
         <el-row>
           <el-col :span="7">Ground :</el-col>
-          <el-col :span="15"><el-input placeholder="Please input GROUND frequency" v-model="GROUND" v-bind:class="{ invalid: !groundOk}"></el-input></el-col>
+          <el-col :span="15"><el-input placeholder="Please input GROUND frequency" v-model="GROUND"
+          :disabled="!editing"
+           v-bind:class="{ invalid: !groundOk && editing}"></el-input></el-col>
         </el-row>
         <el-row>
           <el-col :span="7">Tower :</el-col>
-          <el-col :span="15"><el-input placeholder="Please input TOWER frequency" v-model="TOWER" v-bind:class="{ invalid: !towerOk}"></el-input></el-col>
+          <el-col :span="15"><el-input placeholder="Please input TOWER frequency" v-model="TOWER" 
+          :disabled="!editing"
+          v-bind:class="{ invalid: !towerOk && editing}"></el-input></el-col>
         </el-row>
         <el-row>
           <el-col :span="7">Approach :</el-col>
-          <el-col :span="15"><el-input placeholder="Please input APPROACH frequency" v-model="APPROACH" v-bind:class="{ invalid: !approachOk}"></el-input></el-col>
+          <el-col :span="15"><el-input placeholder="Please input APPROACH frequency" v-model="APPROACH" 
+          :disabled="!editing"
+          v-bind:class="{ invalid: !approachOk && editing}"></el-input></el-col>
+        </el-row>
+        <el-row>
+          <el-col :span="7">Departure :</el-col>
+          <el-col :span="15"><el-input placeholder="Please input DEPARTURE frequency" v-model="DEPARTURE" 
+          :disabled="!editing"
+          v-bind:class="{ invalid: !departureOk && editing}"></el-input></el-col>
         </el-row>
     </div>
   </div>
@@ -51,7 +65,7 @@
 <script lang="js">
   export default {
     data () {
-      return { awosOk: true, groundOk: true, towerOk: true, approachOk: true }
+      return { awosOk: true, groundOk: true, towerOk: true, approachOk: true, departureOk: true }
     },
     methods: {
       isValid (frequency) {
@@ -79,6 +93,9 @@
       }
     },
     computed: {
+      editing: function () {
+        return this.$parent.$parent.$parent.$refs.editLayer.editing
+      },
       icao: function () {
         return this.$store.state.Editable.data.airport.icao
       },
@@ -151,6 +168,19 @@
           this.approachOk = this.isValid(newValue)
           this.$store.dispatch('setApproach', newValue * 100)
         }
+      },
+      DEPARTURE: {
+        // getter
+        get: function () {
+          let newValue = (this.$store.state.Frequencies.DEPARTURE / 100).toFixed(3)
+          this.departureOk = this.isValid(newValue)
+          return newValue
+        },
+        // setter
+        set: function (newValue) {
+          this.departureOk = this.isValid(newValue)
+          this.$store.dispatch('setDeparture', newValue * 100)
+        }
       }
     }
   }
diff --git a/src/renderer/components/EditLayer.vue b/src/renderer/components/EditLayer.vue
index 8fe8b75..5160f08 100644
--- a/src/renderer/components/EditLayer.vue
+++ b/src/renderer/components/EditLayer.vue
@@ -67,7 +67,7 @@
     },
     data () {
       return {
-        maxId: 1, icao: String, checking: false
+        maxId: 1, icao: String, checking: false, editing: false
       }
     },
     methods: {
@@ -134,6 +134,7 @@
       },
       enableEdit () {
         this.editable = true
+        this.editing = true
         this.featureLookup = [];
         this.groundnetLayerGroup.eachLayer(l => {
           l.enableEdit()
@@ -149,6 +150,7 @@
       },
       disableEdit () {
         this.editable = false
+        this.editing = false
         this.groundnetLayerGroup.eachLayer(l => {
           l.disableEdit()
         })
diff --git a/src/renderer/loaders/groundnet_writer.js b/src/renderer/loaders/groundnet_writer.js
index 2a8835c..36cf3be 100644
--- a/src/renderer/loaders/groundnet_writer.js
+++ b/src/renderer/loaders/groundnet_writer.js
@@ -31,7 +31,16 @@ exports.writeGroundnetXML = function (fDir, icao, featureList) {
         var nodes = [];
         var arcList = [];
 
-        var featureLookup = [];
+        //Frequencies
+        var frequencies = {
+            'AWOS': store.default.state.Frequencies.AWOS,
+            'GROUND': store.default.state.Frequencies.GROUND,
+            'TOWER': store.default.state.Frequencies.TOWER,
+            'APPROACH': store.default.state.Frequencies.APPROACH,
+            'DEPARTURE': store.default.state.Frequencies.DEPARTURE
+        };
+
+        var featureLookup = [];        
         // Loaded segments
         featureList.filter(o => o instanceof L.TaxiwaySegment).filter(n => n).forEach(element => {
             var begin = mapBeginNode(element);
@@ -90,7 +99,7 @@ exports.writeGroundnetXML = function (fDir, icao, featureList) {
 
         var maxId = uniqueNodes.slice(-1)[0]['@index'];
 
-        var xmlObj = { groundnet: { version: 1, parkingList: { Parking: parkings }, TaxiNodes: { node: uniqueNodes }, TaxiWaySegments: { arc: arcList } } };
+        var xmlObj = { groundnet: { version: 1, frequencies, parkingList: { Parking: parkings }, TaxiNodes: { node: uniqueNodes }, TaxiWaySegments: { arc: arcList } } };
 
         xmlString = builder.create(xmlObj).end({ pretty: true });
         fs.writeFileSync(f, xmlString);
diff --git a/src/renderer/store/modules/Frequencies.js b/src/renderer/store/modules/Frequencies.js
index a52dc8f..f0fc716 100644
--- a/src/renderer/store/modules/Frequencies.js
+++ b/src/renderer/store/modules/Frequencies.js
@@ -19,6 +19,9 @@ const mutations = {
   },
   'SET_APPROACH' (state, frequency) {
     Vue.set(state, 'APPROACH', frequency)
+  },
+  'SET_DEPARTURE' (state, frequency) {
+    Vue.set(state, 'DEPARTURE', frequency)
   }
 }
 
@@ -34,6 +37,9 @@ const actions = {
   },
   async setApproach (context, frequency) {
     context.commit('SET_APPROACH', frequency)
+  },
+  async setDeparture (context, frequency) {
+    context.commit('SET_DEPARTURE', frequency)
   }
 }