diff --git a/radio/src/gtests.cpp b/radio/src/gtests.cpp
index ddfff10ad..88e152dbd 100644
--- a/radio/src/gtests.cpp
+++ b/radio/src/gtests.cpp
@@ -849,6 +849,44 @@ TEST(Curves, LinearIntpol)
   EXPECT_EQ(applyCustomCurve(-192, 0), -192);
 }
 
+#if defined(HELI) && defined(PCBTARANIS)
+TEST(Heli, BasicTest)
+{
+  MODEL_RESET();
+  applyDefaultTemplate();
+  g_model.swashR.collectiveSource = MIXSRC_Thr;
+  g_model.swashR.type = SWASH_TYPE_120;
+  g_model.mixData[0].destCh = 0;
+  g_model.mixData[0].mltpx = MLTPX_ADD;
+  g_model.mixData[0].srcRaw = MIXSRC_CYC1;
+  g_model.mixData[0].weight = 100;
+  g_model.mixData[1].destCh = 1;
+  g_model.mixData[1].mltpx = MLTPX_ADD;
+  g_model.mixData[1].srcRaw = MIXSRC_CYC2;
+  g_model.mixData[1].weight = 100;
+  g_model.mixData[2].destCh = 2;
+  g_model.mixData[2].mltpx = MLTPX_ADD;
+  g_model.mixData[2].srcRaw = MIXSRC_CYC3;
+  g_model.mixData[2].weight = 100;
+  anaInValues[ELE_STICK] = 1024;
+  evalFlightModeMixes(e_perout_mode_normal, 0);
+  EXPECT_EQ(chans[0], -CHANNEL_MAX);
+  EXPECT_EQ(chans[1], CHANNEL_MAX/2);
+  EXPECT_EQ(chans[2], CHANNEL_MAX/2);
+}
+#elif defined(HELI)
+TEST(Heli, BasicTest)
+{
+  MODEL_RESET();
+  applyTemplate(TMPL_HELI_SETUP);
+  anaInValues[ELE_STICK] = 1024;
+  evalFlightModeMixes(e_perout_mode_normal, 0);
+  EXPECT_EQ(chans[0], -CHANNEL_MAX);
+  EXPECT_EQ(chans[1], CHANNEL_MAX/2);
+  EXPECT_EQ(chans[1], CHANNEL_MAX/2);
+}
+#endif
+
 int main(int argc, char **argv) {
   StartEepromThread(NULL);
   g_menuStackPtr = 0;