AEROSPACE
Associated Press
* Singapore Airlines said it will buy six Boeing Co. 747-400 cargo aircraft and has an option to buy nine more of the jets. The initial order for six planes is worth $1.3 billion, airline officials said.
* Singapore Airlines said it will buy six Boeing Co. 747-400 cargo aircraft and has an option to buy nine more of the jets. The initial order for six planes is worth $1.3 billion, airline officials said.
