diff --git a/libraries/AP_RCProtocol/AP_RCProtocol_CRSF.h b/libraries/AP_RCProtocol/AP_RCProtocol_CRSF.h
index aaaf0fb2bf..e4ebba5027 100644
--- a/libraries/AP_RCProtocol/AP_RCProtocol_CRSF.h
+++ b/libraries/AP_RCProtocol/AP_RCProtocol_CRSF.h
@@ -80,7 +80,9 @@ public:
 
     enum FrameType {
         CRSF_FRAMETYPE_GPS = 0x02,
+        CRSF_FRAMETYPE_VARIO = 0x07,
         CRSF_FRAMETYPE_BATTERY_SENSOR = 0x08,
+        CRSF_FRAMETYPE_BARO_VARIO = 0x09,
         CRSF_FRAMETYPE_HEARTBEAT = 0x0B,
         CRSF_FRAMETYPE_VTX = 0x0F,
         CRSF_FRAMETYPE_VTX_TELEM = 0x10,