This was SVN commit r10250.

binaries/data/mods/public/art/actors/props/structures/hellenes/pentekonter_mainsail.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<actor version="1">
+  <castshadow/>
+  <group>
+    <variant frequency="100" name="mesh">
+      <mesh>props/hele_pentekonter_sail.dae</mesh>
+    </variant>
+  </group>
+  <group>
+    <variant frequency="1" name="sail_eye">
+      <texture>props/hele_sail_eye_war.dds</texture>
+    </variant>
+    <variant frequency="1" name="sail_pegasus">
+      <texture>props/hele_sail_pegasus_war.dds</texture>
+    </variant>
+    <variant frequency="1" name="sail_star">
+      <texture>props/hele_sail_star_war.dds</texture>
+    </variant>
+  </group>
+  <material>player_trans.xml</material>
+</actor>

binaries/data/mods/public/art/actors/structures/hellenes/pentekonter.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<actor version="1">
+  <castshadow/>
+  <float/>
+  <group>
+    <variant frequency="1" name="Greek Pentekonter">
+      <mesh>structural/hele_ship_pentekonter.dae</mesh>
+      <props>
+        <prop actor="props/units/weapons/arrow_front.xml" attachpoint="projectile"/>
+        <prop actor="props/structures/hellenes/pentekonter_mainsail.xml" attachpoint="root"/>
+      </props>
+      <texture>structural/hele_pentekonter.png</texture>
+    </variant>
+  </group>
+  <material>player_trans.xml</material>
+</actor>

binaries/data/mods/public/simulation/templates/units/hele_ship_bireme.xml

@@ -11,6 +11,6 @@
     <Icon>units/hele_ship_bireme.png</Icon>
   </Identity>
   <VisualActor>
-    <Actor>structures/hellenes/bireme.xml</Actor>
+    <Actor>structures/hellenes/pentekonter.xml</Actor>
   </VisualActor>
 </Entity>