BOC Aviation signs purchase-and-leaseback agreement with Qatar Airways for three Boeing 777-300ER aircraft MRO Business Today 22:06 BOC Aviation signs purchase-and-leaseback agreement with Qatar Airways for three Boeing 777-300ER aircraft BOC Aviation, a leading global aircraft operating leasing company has signed a purchase-and-leaseback agreement with Qatar Airways for three Share this Share on FacebookTweet on TwitterPlus on Google+