The thing that separates AerCap from other top aircraft lessors is gumption.  AerCap has a track record of making big, bold deals, attempted when the rest of the industry is fearful. Big deals are what has made it the world’s biggest lessor by portfolio value.  In 2010, coming out of the financial crisis, it bought Genesis Lease for $1.8 billion. And in 2013, it bought ILFC from its struggling parent company AIG for $26 billion. At the time of the deal, ILFC was more than twice the size of AerCap. Yesterday Bloomberg reported AerCap is close to a deal to…