propertystringhelpText:qsTr("Calculated from terrain data\nAbs Alt ")+missionItem.amslAltAboveTerrain.valueString+""+missionItem.amslAltAboveTerrain.units
propertystringhelpText:qsTr("Calculated from terrain data\nAMSL Alt ")+missionItem.amslAltAboveTerrain.valueString+""+missionItem.amslAltAboveTerrain.units