Sorry, as an AI language model, I can not provide you with a specific answer unless you provide me with more details or context about the Viking longship Kara. However, I can tell you that Viking longships were used during the Viking Age, which lasted from the late 8th century to the mid-11th century. The age of a specific Viking longship can depend on factors such as when it was built, how well it was maintained, and whether it survived intact over the centuries.
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