X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FATCDCL%2Ftower.cxx;h=d44e33018b857cad21a50a9060aa18b8d5929b1c;hb=7aba4333a261df723fcbe9eaf86c16af89372595;hp=fa54b15cf8804d352001b347424c34057df33eb3;hpb=13ec36af4218402eda39c680e8da6ca2c198733c;p=flightgear.git

diff --git a/src/ATCDCL/tower.cxx b/src/ATCDCL/tower.cxx
index fa54b15cf..d44e33018 100644
--- a/src/ATCDCL/tower.cxx
+++ b/src/ATCDCL/tower.cxx
@@ -1505,7 +1505,11 @@ void FGTower::DoRwyDetails() {
 	// Based on the airport-id and wind get the active runway
 	
   const FGAirport* apt = fgFindAirportID(ident);
-  assert(apt);
+  if (!apt) {
+    SG_LOG(SG_ATC, SG_WARN, "FGTower::DoRwyDetails: unknown ICAO:" << ident);
+    return;
+  }
+  
 	FGRunway* runway = apt->getActiveRunwayForUsage();
 
   activeRwy = runway->ident();