A crossing of the Arctic Ocean must touch any point on the Northern Poles Line. If it does not touch the NPL, then your journey is not a crossing. Select another path.
There are multiple forms of support, check definitions under Guidelines / Aid
Select more than one Mode of Travel if the additional mode is planned and will be sustained and repetitive. Snowkite and dogsled journeys are not required to list Ski as an additional discipline, it is implied.
If you prefer to use sub-mode terminology instead, add it below.
Examples: Fatbike, Catamaran, Snowshoe etc.