Possible Clues:

• Not national, as an airline
• Local I love: Nag's Head in regal setting
• Legionary endlessly switching sides in part of country
• Relating to an area of the country
• Is charged after Reginald meets gangster concerned over local issues
• Limited to a particular part of the country — liar gone (anag)
• Fit for a queen
• Affecting a tri-state area, say
• Local anger with oil being spilt
• Drunk on lager, imbibing one in local