March 5 (Reuters) - Virgin Australia Holdings Pty Ltd :: *VIRGIN AUSTRALIA APPOINTS DAVE EMERSON AS CEO *EMERSON WILL SUCCEED JAYNE HRDLICKA WHO INDICATED HER INTENTION TO RETIRE *DAVE EMERSON WILL BEGIN TRANSITION INTO CEO ROLE IMMEDIATELY, WILL FORMALLY ASSUME ROLE ON 14 MARCH *Further company coverage: IPO-VIR.AX * ((Reuters.Briefs@thomsonreuters.com;))