diff --git a/flax/subs/runway_stairs b/flax/subs/runway_stairs
new file mode 100644
--- /dev/null
+++ b/flax/subs/runway_stairs
@@ -0,0 +1,11 @@
+main-l-blue : 0.23
+ramp0-stairs : 1.0
+ramp1 : 1.0
+ramp2 : 1.0
+ramp3 : 1.0
+ramp4 : 1.0
+ramp5 : 1.0
+ramp6 : 1.0
+ramp7 : 1.0
+ramp8 : 1.0
+ramp9-stairs : 1.0