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Knarr

Main article: Knarr
The knarr is the Norse term for ships that were built for Atlantic voyages. They were cargo ships with a length of about 54 feet (16 m), a beam of 15 feet (4.6 m), and a hull capable of carrying up to 24 tons.[2] Overall displacement: 50 tons. Knarrs routinely crossed the North Atlantic centuries ago carrying livestock and stores to Greenland. It was capable of sailing 75 miles (121 km) in one day and held a crew of about 20-30. This type of ship was used for longer voyages than the Gokstad type of ship and also hazardous trips. It is also shorter and sturdier than the Gokstad. It depended mostly on sail-power and used its oars only as auxiliaries if there was no wind on the open water. The vessel also influenced the design of the cog, used in the Baltic Sea by the Hanseatic League.

Karve 

Karve  were a type of small Viking ship similar to the knarr. They were used for human transport, the movement of livestock and other goods. Because they were able to navigate in very shallow water, they were also used for coasting. Karves had broad beams of approximately 17 feet (5.2 m).

Faering

A faering is an open boat with two pairs of oars, commonly found in most boat-building traditions in Western and Northern Scandinavia and dating back to Viking era Scandinavia.[3]

Longship

Main article: Longship
Longships were naval vessels made and used by the Vikings from Scandinavia and Iceland for trade, commerce, exploration, and warfare during the Viking Age. The longship’s design evolved over many years, beginning in the Stone Age with the invention of the umiak and continuing up to the 9th century with the Nydam and Kvalsund ships. The longship appeared in its complete form between the 9th and 13th centuries. The character and appearance of these ships have been reflected in Scandinavian boat-building traditions until today. The average speed of Viking ships varied from ship to ship but lay in the range of 5–10 knots and the maximal speed of a longship under favorable conditions was around 15 knots.[4]