diff --git a/Moose Development/Moose/AI/AI_Air.lua b/Moose Development/Moose/AI/AI_Air.lua
index 6c8c9579c..3c0724585 100644
--- a/Moose Development/Moose/AI/AI_Air.lua	
+++ b/Moose Development/Moose/AI/AI_Air.lua	
@@ -585,7 +585,7 @@ function AI_AIR:onafterRTB( AIGroup, From, Event, To )
   
   if AIGroup and AIGroup:IsAlive() then
 
-    self:I( "Group " .. AIGroup:GetName() .. " ... RTB! ( " .. self:GetState() .. " )" )
+    self:T( "Group " .. AIGroup:GetName() .. " ... RTB! ( " .. self:GetState() .. " )" )
     
     self:ClearTargetDistance()
     --AIGroup:ClearTasks()
diff --git a/Moose Development/Moose/Ops/ArmyGroup.lua b/Moose Development/Moose/Ops/ArmyGroup.lua
index b16eccd43..825c3fb7f 100644
--- a/Moose Development/Moose/Ops/ArmyGroup.lua	
+++ b/Moose Development/Moose/Ops/ArmyGroup.lua	
@@ -907,7 +907,7 @@ end
 function ARMYGROUP:onafterUpdateRoute(From, Event, To, n, N, Speed, Formation)
 
   -- Debug info.
-  local text=string.format("Update route state=%s: n=%s, N=%s, Speed=%s, Formation=%s", self:GetState(), tostring(n), tostring(N), tostring(Speed), tostring(Formation))
+  local text=string.format("Update route state=%s: n=%s, N=%s, Speed=%d, Formation=%s", self:GetState(), tostring(n), tostring(N), tonumber(Speed), tostring(Formation))
   self:T(self.lid..text)
 
   -- Update route from this waypoint number onwards.
@@ -928,7 +928,7 @@ function ARMYGROUP:onafterUpdateRoute(From, Event, To, n, N, Speed, Formation)
     self:T({wp})
     -- Speed.
     if Speed then
-      wp.speed=UTILS.KnotsToMps(Speed)
+      wp.speed=UTILS.KnotsToMps(tonumber(Speed))
     else
     -- Take default waypoint speed. But make sure speed>0 if patrol ad infinitum.
     if wp.speed<0.1 then --self.adinfinitum and 
diff --git a/Moose Development/Moose/Ops/RescueHelo.lua b/Moose Development/Moose/Ops/RescueHelo.lua
index 6aaf8d69b..4820b6501 100644
--- a/Moose Development/Moose/Ops/RescueHelo.lua	
+++ b/Moose Development/Moose/Ops/RescueHelo.lua	
@@ -802,7 +802,7 @@ function RESCUEHELO:_OnEventCrashOrEject(EventData)
       -- Debug.
       local text=string.format("Unit %s crashed or ejected.", unitname)
       MESSAGE:New(text, 10, "DEBUG"):ToAllIf(self.Debug)
-      self:I(self.lid..text)
+      self:T(self.lid..text)
 
       -- Get coordinate of unit.      
       local coord=unit:GetCoordinate()
diff --git a/Moose Development/Moose/Utilities/Utils.lua b/Moose Development/Moose/Utilities/Utils.lua
index ea55e3357..a2bff9566 100644
--- a/Moose Development/Moose/Utilities/Utils.lua	
+++ b/Moose Development/Moose/Utilities/Utils.lua	
@@ -409,7 +409,11 @@ end
 -- @param #number knots Speed in knots.
 -- @return #number Speed in m/s.
 UTILS.KnotsToMps = function( knots )
-  return knots / 1.94384 --* 1852 / 3600
+  if type(knots) == "number" then
+    return knots / 1.94384 --* 1852 / 3600
+  else
+   return 0
+  end
 end
 
 --- Convert temperature from Celsius to Farenheit.