Fit condition to sail? In short, views err at sea (15)

I believe the answer is:

riverworthiness

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'fit condition to sail?' is the definition.
I can't tell whether this definition defines the answer.

'in short views err at sea' is the wordplay.
'at sea' indicates an anagram.
'in'+'short'+'views'+'err'='inshortviewserr'
'inshortviewserr' anagrammed gives 'RIVERWORTHINESS'.

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I've seen this clue in The Telegraph.

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