diff --git a/src/Aircraft/controls.cxx b/src/Aircraft/controls.cxx
index 4fc9246bb..879662bc2 100644
--- a/src/Aircraft/controls.cxx
+++ b/src/Aircraft/controls.cxx
@@ -1713,7 +1713,7 @@ FGControls::set_ejection_seat( int which_seat, bool val )
             eject[i] = val;
         }
     } else {
-        if ( (which_seat >= 0) && (which_seat <= MAX_EJECTION_SEATS) ) {
+        if ( (which_seat >= 0) && (which_seat < MAX_EJECTION_SEATS) ) {
             if ( eseat_status[which_seat] == SEAT_SAFED ||
                 eseat_status[which_seat] == SEAT_FAIL )
             {
@@ -1734,7 +1734,7 @@ FGControls::set_eseat_status( int which_seat, int val )
             eseat_status[i] = val;
         }
     } else {
-        if ( (which_seat >=0) && (which_seat <= MAX_EJECTION_SEATS) ) {
+        if ( (which_seat >=0) && (which_seat < MAX_EJECTION_SEATS) ) {
             eseat_status[which_seat] = val;
         }
     }
diff --git a/src/Instrumentation/dclgps.cxx b/src/Instrumentation/dclgps.cxx
index 426f33835..c0d8d3466 100644
--- a/src/Instrumentation/dclgps.cxx
+++ b/src/Instrumentation/dclgps.cxx
@@ -482,7 +482,7 @@ void DCLGPS::update(double dt) {
 							// TODO - avoid the hardwiring on nav[0]
 							s = "Adj Nav Crs to ";
 						} else {
-							string s = "GPS Course is ";
+							s = "GPS Course is ";
 						}
 						double d = GetMagHeadingFromTo(_fromWaypoint.lat, _fromWaypoint.lon, _activeWaypoint.lat, _activeWaypoint.lon);
 						while(d < 0.0) d += 360.0;
diff --git a/src/Navaids/navdb.cxx b/src/Navaids/navdb.cxx
index 77a82c99b..4b01c3ad6 100644
--- a/src/Navaids/navdb.cxx
+++ b/src/Navaids/navdb.cxx
@@ -175,7 +175,7 @@ static PositionedID readNavFromStream(std::istream& aStream,
                                arp.first, arp.second);
   }
   
-  if (range < 0.01) {
+  if (range < 1) {
     range = defaultNavRange(ident, type);
   }