Raw data provided in folder structure obtained using a Terrestrial Laser Scanner (VZ-400i, RIEGL, Horn, Austria) on First-Year-Ice during the ALERT2018 campaign (Multidisciplinary Arctic Program (MAP) - Last Ice) off Alert, Nunavut, Canada in the Lincoln Sea in May 2018. Data can be viewed und processed using the RiSCAN Pro software. The software and technical manuals for the laser scanner and the software can be obtained through the “members area” of the RIEGL webpage: http://riegl.com/members-area/. Registration and licence are needed.