The Globe and Mail Muvija M Bookmark Please log in to listen to this story. Also available in French and Mandarin. Log In Create Free Account Getting audio file ... This translation has been automatically generated and has not been verified for accuracy. Full Disclaimer Arnd Wiegmann/Reuters Blackstone won over Signature Aviation’s biggest shareholder Bill Gates for a possible $4.3 billion bid for the British private jet servicing company, going head-to-head with another potential suitor Carlyle. Blackstone’s agreement with Gates’ Cascade Investment Llc for its planned offer announced on Friday comes just hours after Signature confirmed an initial takeover approach from Carlyle.