diff --git a/src/Instrumentation/KLN89/kln89.hxx b/src/Instrumentation/KLN89/kln89.hxx
index c9ee874d5..1758f4a69 100644
--- a/src/Instrumentation/KLN89/kln89.hxx
+++ b/src/Instrumentation/KLN89/kln89.hxx
@@ -226,7 +226,7 @@ private:
 	// Apt, VOR and SUA drawing can be suspended by setting draw_avs to false, without affecting the stored drawing preference state.
 	void DrawMap(bool draw_avs = true);
 	
-	// Set whether the display should be draw pixelated (more primatives, but might be closer to real-life)
+	// Set whether the display should be drawn pixelated (more primitives, but might be closer to real-life)
 	// or not (in which case it is assumed that pixels are square and can be merged into quads).
 	bool _pixelated;
 	
@@ -251,7 +251,7 @@ private:
 	
 	// The currently active page
 	KLN89Page* _activePage;
-	// And a facility to save the immediately preceeding active page
+	// And a facility to save the immediately preceding active page
 	KLN89Page* _lastActivePage;
 	
 	// Ugly hack.  Housekeeping to allow us to temporarily display one page, while remembering which
diff --git a/src/Main/options.cxx b/src/Main/options.cxx
index ee3b3aafa..5d7b67e19 100644
--- a/src/Main/options.cxx
+++ b/src/Main/options.cxx
@@ -1820,7 +1820,7 @@ public:
   }
   
   /**
-   * given a current iterator into the values, find the preceeding group marker,
+   * given a current iterator into the values, find the preceding group marker,
    * or return the beginning of the value vector.
    */
   OptionValueVec::const_iterator rfindGroup(OptionValueVec::const_iterator pos) const
diff --git a/src/Navaids/routePath.cxx b/src/Navaids/routePath.cxx
index 0138425ca..721c6d26a 100644
--- a/src/Navaids/routePath.cxx
+++ b/src/Navaids/routePath.cxx
@@ -701,7 +701,7 @@ public:
     }
     
     if (index == 0) {
-      SG_LOG(SG_NAVAID, SG_WARN, "findPreceedingKnownAltitude: no preceeding altitude value found");
+      SG_LOG(SG_NAVAID, SG_WARN, "findPreceedingKnownAltitude: no preceding altitude value found");
       return -1;
     }
     
diff --git a/utils/fgcom/fgcom.cxx b/utils/fgcom/fgcom.cxx
index 35351b78d..d3cfa9c36 100644
--- a/utils/fgcom/fgcom.cxx
+++ b/utils/fgcom/fgcom.cxx
@@ -288,7 +288,7 @@ std::multimap<int, Airport> getAirportsData()
 {
     std::vector<std::string> lines;
     std::multimap<int, Airport> aptData;
-    SG_LOG(SG_GENERAL, SG_INFO, "Loading aiports informations...");
+    SG_LOG(SG_GENERAL, SG_INFO, "Loading airports information...");
 
     for(size_t i=0; i < sizeof(_positionsData)/sizeof(*_positionsData); i++) { // _positionsData is provided by positions.hxx
         std::vector<std::string> entries = simgear::strutils::split(_positionsData[i], ",");
@@ -425,7 +425,7 @@ int usage()
     std::cout << "        --version                       -  Show version" << std::endl;
     std::cout << "" << std::endl;
     std::cout << "  None of these options are required, you can simply start FGCom without option at all: it works" << std::endl;
-    std::cout << "  For further informations, please visit: http://wiki.flightgear.org/FGCom_3.0" << std::endl;
+    std::cout << "  For further information, please visit: http://wiki.flightgear.org/FGCom_3.0" << std::endl;
     std::cout << "" << std::endl;
     std::cout << "  About silence-threshold:" << std::endl;
     std::cout << "    This is the limit, in dB, when FGCom consider no voice in your microphone." << std::endl;