Former Kingfisher Airlines pilots have sent a legal notice to the airlines's management seeking compensation for mental harassment and salary dues, and have asked the management to comply within 21 days,according to aem CNBC-TV18/em report. The Mumbai-based pilots also served the airline an ultimatum to clear their dues by January 31 or face another winding-up petition even as the beleagured management appealed to its Delhi-based engineers not to resort to any legal action. The Kingfisher management received the legal notice on 18 January in which it has been charged with cheating for non-payment of salaries. [caption id=attachment_597206 align=alignleft width=380