diff --git a/Aircraft/Generic/century2b.nas b/Aircraft/Generic/century2b.nas
index effce4f0d..db1296a26 100644
--- a/Aircraft/Generic/century2b.nas
+++ b/Aircraft/Generic/century2b.nas
@@ -117,11 +117,11 @@ var apPower = func {
 #  print("v_test = ", v_test);
   if (valueTest > 0.5) {
     # autopilot just powered up
-    print("CENTURY IIB power up");
+    logprint(3, "CENTURY IIB power up");
     apInit();
   } elsif (valueTest < -0.5) {
     # autopilot just lost power
-    print("CENTURY IIB power lost");
+    logprint(3, "CENTURY IIB power lost");
     apInit();
     # note: all button and knobs disabled in functions below
   }
diff --git a/Aircraft/Generic/century3.nas b/Aircraft/Generic/century3.nas
index b4c67eaac..4090a5fce 100644
--- a/Aircraft/Generic/century3.nas
+++ b/Aircraft/Generic/century3.nas
@@ -170,11 +170,11 @@ var apPower = func {
 #  print("v_test = ", v_test);
   if (valueTest > 0.5) {
     # autopilot just powered up
-    print("CENTURYIII power up");
+    logprint(3, "CENTURYIII power up");
     apInit();
   } elsif (valueTest < -0.5) {
     # autopilot just lost power
-    print("CENTURYIII power lost");
+    logprint(3, "CENTURYIII power lost");
     apInit();
     # note: all button and knobs disabled in functions below
   }
diff --git a/Aircraft/Generic/kap140.nas b/Aircraft/Generic/kap140.nas
index 3a769106d..75ac1770e 100644
--- a/Aircraft/Generic/kap140.nas
+++ b/Aircraft/Generic/kap140.nas
@@ -254,12 +254,12 @@ var apPower = func {
 #  print("v_test = ", v_test);
   if (valueTest > 0.5) {
     # autopilot just powered up
-    print("KAP140 power up");
+    logprint(3, "KAP140 power up");
     apInit();
     altAlert();
   } elsif (valueTest < -0.5) {
     # autopilot just lost power
-    print("KAP140 power lost");
+    logprint(3, "KAP140 power lost");
     apInit();
     annunciatorAltAlert.getNode("state").setBoolValue(0);
     annunciatorBeep.getNode("state").setBoolValue(0);
diff --git a/Aircraft/c172p/Nasal/c172-electrical.nas b/Aircraft/c172p/Nasal/c172-electrical.nas
index e4f75a7b9..0133ae487 100644
--- a/Aircraft/c172p/Nasal/c172-electrical.nas
+++ b/Aircraft/c172p/Nasal/c172-electrical.nas
@@ -36,7 +36,7 @@ init_electrical = func {
 
     # Request that the update function be called next frame
     settimer(update_electrical, 0);
-    print("Electrical system initialized");
+    logprint(3, "Electrical system initialized");
 }
 
 
diff --git a/Aircraft/c172p/Nasal/ki266.nas b/Aircraft/c172p/Nasal/ki266.nas
index 35ba13d72..560932529 100644
--- a/Aircraft/c172p/Nasal/ki266.nas
+++ b/Aircraft/c172p/Nasal/ki266.nas
@@ -52,7 +52,8 @@ ki266.new = func(idx) {
 
   obj.update();
 
-  print( "KI266 dme indicator #" ~ idx ~ " initialized" ); 
+  # 3 = SG_INFO log level
+  logprint( 3, "KI266 dme indicator #" ~ idx ~ " initialized" ); 
   return obj;
 };
 
diff --git a/Aircraft/c172p/Nasal/kma20.nas b/Aircraft/c172p/Nasal/kma20.nas
index e8770762e..7f9ac209b 100644
--- a/Aircraft/c172p/Nasal/kma20.nas
+++ b/Aircraft/c172p/Nasal/kma20.nas
@@ -34,7 +34,7 @@ kma20.new = func(rootPath) {
   setlistener(rootPath ~ "/adf",  func(v) {setprop("/instrumentation/adf/ident-audible",      (v.getValue() != 0));}, 1);
   setlistener(rootPath ~ "/dme",  func(v) {setprop("/instrumentation/dme/ident",              (v.getValue() != 0));}, 1);
   setlistener(rootPath ~ "/mkr",  func(v) {setprop("/instrumentation/marker-beacon/audio-btn",(v.getValue() != 0));}, 1);
-  print( "KMA20 audio panel initialized" );
+  logprint(3,  "KMA20 audio panel initialized" );
   return obj;
 };
 
diff --git a/Nasal/environment.nas b/Nasal/environment.nas
index 18fa81c4d..3e599e18b 100644
--- a/Nasal/environment.nas
+++ b/Nasal/environment.nas
@@ -70,7 +70,6 @@ var visibilityOverrideProp = nil;
 var auxvisibilityProp = nil;
 
 _setlistener("/sim/signals/nasal-dir-initialized", func {
-	print ("environment init");
 	visibilityProp = props.globals.initNode("/environment/config/presets/visibility-m", 0, "DOUBLE" );
 	visibilityOverrideProp = props.globals.initNode("/environment/config/presets/visibility-m-override", 0, "BOOL" );
 	auxvisibilityProp = props.globals.initNode("/local-weather/config/aux-max-vis-range-m", 0, "DOUBLE" );