2d New house put up for Christmas (4) N?E?
11a King of the puzzle Arthur (4) ??A?
11d Legitimate request? Not so (5) ??C?T
49d Asking what regularly appears in view (5) S?G?T
Is this SIGHT? If so, why?
52d Drugs officer managed to turn up cocaine (4) ?A?C Is this FARC?
Explanations please. A little help from my friends will work wonders!