diff --git a/frontend/src/components/layers/DamagedShipLayer.tsx b/frontend/src/components/layers/DamagedShipLayer.tsx
index 6b79ec4..5dfefa9 100644
--- a/frontend/src/components/layers/DamagedShipLayer.tsx
+++ b/frontend/src/components/layers/DamagedShipLayer.tsx
@@ -34,12 +34,19 @@ function formatKST(ts: number): string {
   return `${d.getUTCMonth() + 1}/${d.getUTCDate()} ${String(d.getUTCHours()).padStart(2, '0')}:${String(d.getUTCMinutes()).padStart(2, '0')} KST`;
 }
 
+// 리플레이 시나리오 시간 범위 (T0 ~ T0+13일)
+// 이 범위 밖의 currentTime이면 더미 데이터를 표시하지 않음 (LIVE 모드 대응)
+const SCENARIO_START = new Date('2026-03-01T00:00:00Z').getTime();
+const SCENARIO_END = new Date('2026-03-14T00:00:00Z').getTime();
+
 export function DamagedShipLayer({ currentTime }: Props) {
   const [selectedId, setSelectedId] = useState<string | null>(null);
 
+  const isScenarioTime = currentTime >= SCENARIO_START && currentTime <= SCENARIO_END;
+
   const visible = useMemo(
-    () => damagedShips.filter(s => currentTime >= s.damagedAt),
-    [currentTime],
+    () => isScenarioTime ? damagedShips.filter(s => currentTime >= s.damagedAt) : [],
+    [currentTime, isScenarioTime],
   );
 
   const selected = selectedId ? visible.find(s => s.id === selectedId) ?? null : null;