The term 'SENT FLYING' can be solved by the crossword solution AIRMAILED, which is a nine-letter word. Airmailing is a method of sending letters and packages through the air, usually via airplane. It is a faster way of sending items than traditional mail, as it does not require the item to be transported by land or sea. The phrase 'sent FLYING' can be used to describe the process of sending something quickly and efficiently, such as when an item is airmailed.