The mooring line tensions predicted by Flexcom show close agreement with the other software tools. All tools predict similar fairlead tensions in all 3 mooring lines. Results from FAST (CENTEC) and Orcaflex (4Subsea) are lower than the others, possibly caused by tension dissipation due to seabed friction. It is possible to model this phenomenon in Flexcom also, but it was decided not to, for reasons of consistency with the other software tools. Results from DeepLinesWT (Principia) appear unrealistic as they are actually larger than the fairlead tensions, perhaps there was some mistake made during the uploading of results. Note that results from FAST (NREL) were not found in the IEA Wind Task 30 results library, so we have used results from FAST (CENTEC) instead in this comparison.