The Times Concise puzzle clues 2017 May 09

• Abbreviation used signing a letter for another Crossword Clue
• Cathedral city Crossword Clue
• Coldly efficient Crossword Clue
• Costa del Sol resort Crossword Clue
• Creatively Crossword Clue
• French father Crossword Clue
• Guide to the aristocracy Crossword Clue
• Happening at intervals Crossword Clue
• In a pitiful state Crossword Clue
• Insulting (someone) by inattention Crossword Clue
• Irish exclamation Crossword Clue
• Item for a queasy flyer Crossword Clue
• Lover of Héloïse Crossword Clue
• Mix together Crossword Clue
• Part of a horse's foot Crossword Clue
• Short-lived deviation Crossword Clue
• Source of equipment for ships and boats Crossword Clue
• Spider's silk Crossword Clue
• Telegram; wire Crossword Clue
• Time for public to visit Crossword Clue
• With window panes fitted Crossword Clue