diff --git a/libraries/AP_Airspeed/AP_Airspeed.cpp b/libraries/AP_Airspeed/AP_Airspeed.cpp index 195c656ab6..3ef378eb98 100644 --- a/libraries/AP_Airspeed/AP_Airspeed.cpp +++ b/libraries/AP_Airspeed/AP_Airspeed.cpp @@ -486,6 +486,10 @@ void AP_Airspeed::calibrate(bool in_startup) if (in_startup && param[i].skip_cal) { continue; } + if (sensor[i] == nullptr) { + GCS_SEND_TEXT(MAV_SEVERITY_INFO,"Airspeed %u not initalized, cannot cal", i+1); + continue; + } state[i].cal.start_ms = AP_HAL::millis(); state[i].cal.count = 0; state[i].cal.sum = 0;