diff --git a/AI/Traffic/A/ANT.xml b/AI/Traffic/A/ANT.xml
index 59a2b3bf1..38348dfd9 100644
--- a/AI/Traffic/A/ANT.xml
+++ b/AI/Traffic/A/ANT.xml
@@ -2,7 +2,7 @@
 <!-- Author Ian Tolosa - Timetable of Jun18 -->
 <trafficlist>
   <aircraft>
-    <model>Aircraft/AT5/AT5-YukonAirNorth.xml</model>
+    <model>Aircraft/AT4/AT4-YukonAirNorth.xml</model>
     <livery>ANT</livery>
     <airline>ANT</airline>
     <home-port>CYXY</home-port>
@@ -16,7 +16,7 @@
     <heavy>No</heavy>
   </aircraft>
   <aircraft>
-    <model>Aircraft/AT5/AT5-YukonAirNorth.xml</model>
+    <model>Aircraft/AT4/AT4-YukonAirNorth.xml</model>
     <livery>ANT</livery>
     <airline>ANT</airline>
     <home-port>CYXY</home-port>
diff --git a/AI/Traffic/T/TYA.xml b/AI/Traffic/T/TYA.xml
index 3766bfe72..e74576643 100644
--- a/AI/Traffic/T/TYA.xml
+++ b/AI/Traffic/T/TYA.xml
@@ -2,7 +2,7 @@
 <!-- Author Ian (Yves) Tolosa - Weekly Timetble of 09APR18 --> 
 <trafficlist>
   <aircraft>
-    <model>Aircraft/AT5/AT5-NordStar.xml</model>
+    <model>Aircraft/AT4/AT4-NordStar.xml</model>
     <livery>TYA</livery>
     <airline>TYA</airline>
     <home-port>UNKL</home-port>
@@ -16,7 +16,7 @@
     <heavy>No</heavy>
   </aircraft>
   <aircraft>
-    <model>Aircraft/AT5/AT5-NordStar.xml</model>
+    <model>Aircraft/AT4/AT4-NordStar.xml</model>
     <livery>TYA</livery>
     <airline>TYA</airline>
     <home-port>UNKL</home-port>
@@ -30,7 +30,7 @@
     <heavy>No</heavy>
   </aircraft>
   <aircraft>
-    <model>Aircraft/AT5/AT5-NordStar.xml</model>
+    <model>Aircraft/AT4/AT4-NordStar.xml</model>
     <livery>TYA</livery>
     <airline>TYA</airline>
     <home-port>UNKL</home-port>
@@ -44,7 +44,7 @@
     <heavy>No</heavy>
   </aircraft>
   <aircraft>
-    <model>Aircraft/AT5/AT5-NordStar.xml</model>
+    <model>Aircraft/AT4/AT4-NordStar.xml</model>
     <livery>TYA</livery>
     <airline>TYA</airline>
     <home-port>UNKL</home-port>
@@ -58,7 +58,7 @@
     <heavy>No</heavy>
   </aircraft>
   <aircraft>
-    <model>Aircraft/AT5/AT5-NordStar.xml</model>
+    <model>Aircraft/AT4/AT4-NordStar.xml</model>
     <livery>TYA</livery>
     <airline>TYA</airline>
     <home-port>UNKL</home-port>
diff --git a/AI/Traffic/V/VTA.xml b/AI/Traffic/V/VTA.xml
index c33c1f1f2..14db52062 100644
--- a/AI/Traffic/V/VTA.xml
+++ b/AI/Traffic/V/VTA.xml
@@ -2,7 +2,7 @@
 <!-- Author Ian Tolosa - Weekly timetable of 01 JAN 2018 -->
 <trafficlist>
   <aircraft>
-    <model>Aircraft/AT5/AT5-AirTahiti.xml</model>
+    <model>Aircraft/AT4/AT4-AirTahiti.xml</model>
     <livery>VTA</livery>
     <airline>VTA</airline>
     <home-port>NTAA</home-port>
@@ -16,7 +16,7 @@
     <heavy>No</heavy>
   </aircraft>
   <aircraft>
-    <model>Aircraft/AT5/AT5-AirTahiti.xml</model>
+    <model>Aircraft/AT4/AT4-AirTahiti.xml</model>
     <livery>VTA</livery>
     <airline>VTA</airline>
     <home-port>NTAA</home-port>