BOC Aviation cancels 30 Boeing 737 MAX but backs grounded jet

(Reuters) - Aircraft leasing company BOC Aviation said on Tuesday it had cancelled an order for 30 Boeing 737 MAX planes although its chief executive remained confident in the jet which has been grounded for more than a year.The lessor, which is based in Singapore and listed in Hong Kong, will also defer the delivery of some other Boeing 737 MAX aircraft, it said in a statement.BOC is the latest lessor to strike deals with Boeing to cancel 737 MAX orders as the jet remains grounded pending..