** Shares of SpiceJet SPJT.BO rise 3.4% to 34.13 rupees
** Low-cost carrier secures $89.5 million settlement from commercial aviation investment and servicing unit of Carlyle CG.O
** Under the deal, Carlyle will restructure $121.2 million in lease dues in exchange for $50 million in SPJT shares, with any extra proceeds from share sales used to reduce future lease obligations
** Significantly enhances airline's liquidity - SPJT
** Earlier, stock surges from rise of 1.5% to 5% on news
** Last year, SPJT said it will convert about $97 million dues to Carlyle Aviation into equity, debentures
** Stock down about 39% YTD
(Reporting by Urvi Dugar)
((UrviManoj.Dugar@thomsonreuters.com))