The Boeing Company today confirmed that Singapore Airlines has agreed to order six Boeing 747-400 Freighters. "We have a strong and lasting relationship with Singapore Airlines and continue to be committed to providing aircraft that allow it to be the market leader," said Seddik Belyamani, executive vice president - Sales and Marketing, Boeing Commercial Airplanes Group. "The 747-400 Freighter is the only new production freighter capable of more than a 120-ton payload."