From 2319948b95bdcbd078f0a89f932b8e60f884cc3f Mon Sep 17 00:00:00 2001
From: Christian Schmitt <chris@ilovelinux.de>
Date: Wed, 20 Feb 2013 23:43:21 +0100
Subject: [PATCH] airport traffic routes from apt.dat 1000 are unknown to FG,
 so ignore them for now

---
 src/Airports/apt_loader.cxx | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Airports/apt_loader.cxx b/src/Airports/apt_loader.cxx
index a3aa490d3..c23d491e7 100644
--- a/src/Airports/apt_loader.cxx
+++ b/src/Airports/apt_loader.cxx
@@ -179,11 +179,13 @@ public:
         pavement = false;
       } else if ( line_id == 130 ) {
         pavement = false;
+      } else if ( line_id >= 1000 ) {
+          // airport traffic flow (ignore)
       } else if ( line_id == 99 ) {
           SG_LOG( SG_GENERAL, SG_DEBUG, "End of file reached" );
       } else {
           SG_LOG( SG_GENERAL, SG_ALERT, 
-                  "Unknown line(#" << line_num << ") in file: " << line );
+                  "Unknown line(#" << line_num << ") in apt.dat file: " << line );
           exit( -1 );
       }
     }
-- 
2.39.5