My brain has gone dead. Please help.
8d Aircraft at the end of the flight in the sky (6) -l---t
12a Bitterly continues a row with the French (7) r---l-s
13d Have the company of constables on a ship (7) p-----s
20a He's particular about his fare (7) last letter is E
19a Look for support in return (4) p-e-