diff --git a/modules/util/geos_nav.py b/modules/util/geos_nav.py
index da15b5f0ff228d9b25a4fc057d8a2fa693bd08e9..c025070a6f64678a8ffdd803e097b0f9f0fae669 100644
--- a/modules/util/geos_nav.py
+++ b/modules/util/geos_nav.py
@@ -238,6 +238,8 @@ class GEOSNavigation:
 
         return geographic_lon, geographic_lat
 
+    def check_inside(self, lon, lat):
+        return True
 
 def get_navigation(satellite='GOES16', domain='FD'):
     nav = None