diff --git a/ROMFS/px4fmu_common/mixers/greenkoptr.aux.mix b/ROMFS/px4fmu_common/mixers/greenkoptr.aux.mix
new file mode 100644
index 0000000000..b71322dfb6
--- /dev/null
+++ b/ROMFS/px4fmu_common/mixers/greenkoptr.aux.mix
@@ -0,0 +1,20 @@
+# mixer for the GreenKoptr tilt mechansim servo, elevons and landing gear
+=======================================================================
+
+Tilt mechanism servo mixer
+---------------------------
+M: 1
+O:      10000  10000      0 -10000  10000
+S: 1 4      0  20000 -10000 -10000  10000
+
+Elevon mixers
+-------------
+M: 2
+O:      10000  10000      0 -10000  10000
+S: 1 0  -7500  -7500      0 -10000  10000
+S: 1 1   8000   8000      0 -10000  10000
+
+M: 2
+O:       10000   10000    0 -10000  10000
+S: 1 0   -7500   -7500    0 -10000  10000
+S: 1 1   -8000   -8000    0 -10000  10000
diff --git a/ROMFS/px4fmu_common/mixers/greenkoptr.main.mix b/ROMFS/px4fmu_common/mixers/greenkoptr.main.mix
new file mode 100644
index 0000000000..60d5a95a98
--- /dev/null
+++ b/ROMFS/px4fmu_common/mixers/greenkoptr.main.mix
@@ -0,0 +1,4 @@
+# GreenKoptr mixer for PX4FMU
+#
+#===========================
+R: 6t 10000 10000 10000 0