diff --git a/assets/ui/icons/height_reference_decline.png b/assets/ui/icons/height_reference_decline.png
new file mode 100644
index 00000000..5d6d2760
--- /dev/null
+++ b/assets/ui/icons/height_reference_decline.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:21d02dbab234e872936d7b9942e78437f974d50265f96669d8989a91ac09a2fb
+size 2533
diff --git a/assets/ui/icons/height_reference_ground.png b/assets/ui/icons/height_reference_ground.png
new file mode 100644
index 00000000..5bbb687a
--- /dev/null
+++ b/assets/ui/icons/height_reference_ground.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:24172890746fa539b7c78bcdbf06596b25d675b1ba4b0dd0d07000fa36a7d8b7
+size 1654
diff --git a/assets/ui/icons/height_reference_incline.png b/assets/ui/icons/height_reference_incline.png
new file mode 100644
index 00000000..1a91eb18
--- /dev/null
+++ b/assets/ui/icons/height_reference_incline.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:360f8a38677988faec1c9e25cea46a6bbbe26642957b1494aff4318f88f59147
+size 2381
diff --git a/assets/ui/icons/height_reference_start.png b/assets/ui/icons/height_reference_start.png
new file mode 100644
index 00000000..2dc7ef26
--- /dev/null
+++ b/assets/ui/icons/height_reference_start.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5eadb9fc96a41a557c8893c8f37c6a8b046831ca00a17cc44fe5c3048ebfef7e
+size 9264