diff --git a/pav-server/src/main/java/com/palnet/biz/api/bas/dos/model/BasDosUpdatePlanRq.java b/pav-server/src/main/java/com/palnet/biz/api/bas/dos/model/BasDosUpdatePlanRq.java
index d16e2e34..547f573f 100644
--- a/pav-server/src/main/java/com/palnet/biz/api/bas/dos/model/BasDosUpdatePlanRq.java
+++ b/pav-server/src/main/java/com/palnet/biz/api/bas/dos/model/BasDosUpdatePlanRq.java
@@ -14,8 +14,8 @@ public class BasDosUpdatePlanRq {
 //    private Long planSno;
     // 비행구역일련번호
     private Long planAreaSno;
-    // 버퍼존(반경)
-    private Double bufferZone;
+    // 요청반경
+    private Long reqRadius;
     // 고도
     private Double fltElev;
     // 세부사항
diff --git a/pav-server/src/main/java/com/palnet/biz/api/bas/dos/service/BasDosService.java b/pav-server/src/main/java/com/palnet/biz/api/bas/dos/service/BasDosService.java
index bd813bf3..71f10e33 100644
--- a/pav-server/src/main/java/com/palnet/biz/api/bas/dos/service/BasDosService.java
+++ b/pav-server/src/main/java/com/palnet/biz/api/bas/dos/service/BasDosService.java
@@ -287,7 +287,7 @@ public class BasDosService {
                 DosFltPlanArea area = optional.get();
 
                 area.setFltElev(planRq.getFltElev());
-                area.setBufferZone(planRq.getBufferZone());
+                area.setReqRadius(planRq.getReqRadius());
                 area.setDtl(planRq.getDtl());
                 area.setEra(planRq.getEra());
                 area.setRm(planRq.getRm());
@@ -295,7 +295,7 @@ public class BasDosService {
                 area = dosFltPlanAreaRepository.save(area);
 
                 // 재검증
-                if (planRq.getFltElev() != null || planRq.getBufferZone() != null) {
+                if (planRq.getFltElev() != null || planRq.getReqRadius() != null) {
                     Optional<DosFltPlanResult> optionalResult = dosFltPlanResultRepository.findById(area.getPlanAreaSno());
                     DosFltPlanResult dosFltPlanResult = null;
                     if (optionalResult.isPresent()) {
@@ -303,12 +303,14 @@ public class BasDosService {
                     }
                     // Circle만 체크
                     Double bufferZone = area.getBufferZone();
+                    Long reqRadius = area.getReqRadius();
                     Double fltElev = area.getFltElev() != null ? area.getFltElev() : 0;
 
                     // 좌표 추출 - 중심 좌표
                     Coordinate centerPoint = new Coordinate(area.getLon(), area.getLat());
 
-                    DosApprovalResult approvalResult = dronOneStopService.getApprovalResult(bufferZone, fltElev, centerPoint);
+                    double radius = area.getReqRadius() != null ? area.getReqRadius() : area.getBufferZone();
+                    DosApprovalResult approvalResult = dronOneStopService.getApprovalResult(radius, fltElev, centerPoint);
 
                     // 재검증 수정
                     if (dosFltPlanResult != null) {