What Is SLD Icing?
What Is SLD Icing? Supercooled Large Droplets (SLD) Most icing encounters involve droplets about the size of a thin human hair — defined in formal terms as a “median volumetric diameter” (MVD) between 15 and 50 microns). What is SLD threat icing? The most serious icing conditions result from supercooled large droplets (SLD), which are