diff --git a/pav-server/src/main/java/com/palnet/biz/api/bas/flight/model/BasFlightPlanArcrftModel.java b/pav-server/src/main/java/com/palnet/biz/api/bas/flight/model/BasFlightPlanArcrftModel.java
index e1023445..449083d0 100644
--- a/pav-server/src/main/java/com/palnet/biz/api/bas/flight/model/BasFlightPlanArcrftModel.java
+++ b/pav-server/src/main/java/com/palnet/biz/api/bas/flight/model/BasFlightPlanArcrftModel.java
@@ -38,6 +38,7 @@ public class BasFlightPlanArcrftModel {
     private String idntfTypeCd;
     // kac 추가 필드
     private String acrftInsuranceYn;
+    @JsonSerialize(using = InstantDateStrSerializer.class)
     private Instant insuranceExperiod;
     private String corporationNm;
 }