diff --git a/src/containers/laanc/LaancPlanContainer.js b/src/containers/laanc/LaancPlanContainer.js
index da77b2ed..29baed94 100644
--- a/src/containers/laanc/LaancPlanContainer.js
+++ b/src/containers/laanc/LaancPlanContainer.js
@@ -79,11 +79,52 @@ export default function LaancPlanContainer({
         });
         break;
       case 'area':
+        if (
+          name === 'fltElev' &&
+          parseInt(value.replace('/^0+/', 'm', ''), 10) > 150
+        ) {
+          setModal2({
+            isOpen: true,
+            title: '고도 재설정 알림',
+            desc: (
+              <>
+                설정하신 고도가 150m를 초과하였습니다.
+                <br />
+                150m 초과 시 드론원스톱을 통해 특별비행승인이 필요합니다.
+              </>
+            )
+          });
+          setDetailData(prevState => {
+            const arr = [...prevState[arrName]];
+            const updateData = {
+              ...prevState[arrName][0],
+              [name]: 0
+            };
+            arr[0] = updateData;
+            console.log('>', arr[0]);
+            return {
+              ...prevState,
+              [arrName]: arr
+            };
+          });
+        } else {
+          setDetailData(prevState => {
+            const arr = [...prevState[arrName]];
+            const updateData = {
+              ...prevState[arrName][0],
+              [name]: value
+            };
+            arr[0] = updateData;
+            return {
+              ...prevState,
+              [arrName]: arr
+            };
+          });
+        }
+        break;
       case 'pilot':
       case 'arcrft':
-        if (name === 'fltElev' || name === 'bufferZone' || name === 'hpno') {
-          const newValue = value.replace(/^0+/, '').replace(/\D/g, '');
-
+        if (name === 'bufferZone') {
           setDetailData(prevState => {
             const arr = [...prevState[arrName]];
             const updateData = {
diff --git a/src/modules/laanc/models/laancModels.ts b/src/modules/laanc/models/laancModels.ts
index 6228b85d..d1f0ff37 100644
--- a/src/modules/laanc/models/laancModels.ts
+++ b/src/modules/laanc/models/laancModels.ts
@@ -86,7 +86,7 @@ export const LaancFlightData = {
     areaType: '',
     fltMethod: '',
     bufferZone: 0,
-    fltElev: '',
+    fltElev: 0,
     createUserId: '',
     createDt: '',
     updateUserId: '',
@@ -128,7 +128,7 @@ export const LaancFlightData = {
         areaType: '',
         fltMethod: '',
         bufferZone: 0,
-        fltElev: '',
+        fltElev: 0,
         createUserId: '',
         createDt: '',
         updateUserId: '',
@@ -276,7 +276,7 @@ export interface FlightPlanAreaData {
   areaType: string;
   fltMethod: string;
   bufferZone: number;
-  fltElev: string;
+  fltElev: number;
   createUserId?: string;
   createDt?: string;
   updateUserId?: string;
@@ -388,7 +388,7 @@ export const laancControlData = {
         areaType: '',
         fltMethod: '',
         bufferZone: 0,
-        fltElev: '',
+        fltElev: 0,
         createUserId: '',
         createDt: '',
         updateUserId: '',
@@ -496,7 +496,7 @@ export const initFlightBas = {
     areaType: '',
     fltMethod: '',
     bufferZone: 0,
-    fltElev: '',
+    fltElev: 0,
     createUserId: '',
     createDt: '',
     updateUserId: '',
@@ -539,7 +539,7 @@ export const initFlightBas = {
         areaType: '',
         fltMethod: '',
         bufferZone: 0,
-        fltElev: '0',
+        fltElev: 0,
         createUserId: '',
         createDt: '',
         updateUserId: '',
diff --git a/src/views/laanc/LaancStep1.js b/src/views/laanc/LaancStep1.js
index 2f8fc3cb..0c06dfcf 100644
--- a/src/views/laanc/LaancStep1.js
+++ b/src/views/laanc/LaancStep1.js
@@ -284,7 +284,10 @@ export default function LaancStep1({
                         handleChange({
                           type: 'area',
                           name,
-                          value
+                          value: value
+                            .replace(/^0+/, '') // 맨 앞의 0 제거
+                            .replace(/\D/g, '') // 숫자가 아닌 문자 제거
+                            .replace('m') // "m"을 맨 뒤에 붙임
                         });
                       }}
                       innerRef={fltElevRef} // Input 요소에 ref를 연결
@@ -310,7 +313,10 @@ export default function LaancStep1({
                         handleChange({
                           type: 'area',
                           name,
-                          value
+                          value: value
+                            .replace(/^0+/, '') // 맨 앞의 0 제거
+                            .replace(/\D/g, '') // 숫자가 아닌 문자 제거
+                            .replace('m') // "m"을 맨 뒤에 붙임
                         });
                       }}
                       innerRef={bufferZoneRef} // Input 요소에 ref를 연결