diff --git a/pav-server/src/main/java/com/palnet/biz/api/bas/flight/controller/BasFlightController.java b/pav-server/src/main/java/com/palnet/biz/api/bas/flight/controller/BasFlightController.java
index bb18c759..d2ad9bb4 100644
--- a/pav-server/src/main/java/com/palnet/biz/api/bas/flight/controller/BasFlightController.java
+++ b/pav-server/src/main/java/com/palnet/biz/api/bas/flight/controller/BasFlightController.java
@@ -394,7 +394,7 @@ public class BasFlightController {
     public void createLancePDF(@RequestBody LanncPdfVO vo) {        
         
         String airUser = vo.getUserName();
-        String etc = String.valueOf(System.currentTimeMillis());
+        String etc = String.valueOf(System.currentTimeMillis()); // 동명이인 방지
         String fileName = pdfUtils.getSaveName(airUser, etc);
 
         // PDF 생성 및 저장                
diff --git a/pav-server/src/main/java/com/palnet/comn/utils/PdfUtils.java b/pav-server/src/main/java/com/palnet/comn/utils/PdfUtils.java
index 7b460bfc..53c8cebb 100644
--- a/pav-server/src/main/java/com/palnet/comn/utils/PdfUtils.java
+++ b/pav-server/src/main/java/com/palnet/comn/utils/PdfUtils.java
@@ -7,10 +7,8 @@ import java.io.InputStream;
 import java.io.StringReader;
 import java.nio.charset.Charset;
 import java.nio.file.Files;
-import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.time.Instant;
-import java.util.HashMap;
 import java.util.Map;
 import java.util.Map.Entry;
 
@@ -66,6 +64,7 @@ public class PdfUtils {
 
     /**
      * 파일명 만들기, 앞에 기본으로 금일 날짜있음
+     * [예시] 20230102_[추가파라미터]
      * @param etcName
      * @return
      */
@@ -81,6 +80,8 @@ public class PdfUtils {
             .append(name);
         }
 
+        result.append(this.FILE_EXTENSION);
+
         return result.toString();
     }
 
@@ -131,7 +132,7 @@ public class PdfUtils {
             new File(pdfPath).mkdirs();
             
             // File 저장 기본경로는 main 아래로 기본으로 잡힘
-            PdfWriter writer = PdfWriter.getInstance(pdfDocument, new FileOutputStream(pdfPath + fileName + this.FILE_EXTENSION));
+            PdfWriter writer = PdfWriter.getInstance(pdfDocument, new FileOutputStream(pdfPath + fileName));
             writer.setInitialLeading(12.5f);
 
             pdfDocument.open();            
@@ -189,7 +190,7 @@ public class PdfUtils {
         result.setFileOriNm(fileName);
 
         try {                        
-            String filePath = result.getFileOriNm() + this.FILE_EXTENSION;
+            String filePath = result.getFileOriNm();
             long fileSize = Files.size(Paths.get(pdfPath + filePath)) / 1024;
 
             if(fileSize > 0) result.setFileSize(String.valueOf(fileSize));