Defeat the Black Baron before time runs out.
― In-game description
"Going Out On A Wing" is the eighth Master Thief Challenge in Flight of Fancy of Sly 3: Honor Among Thieves.
It is a variation of the last part of the job "Operation: Turbo Dominant Eagle," where Sly must defeat the Black Baron on the wing of his plane, with the addition of a time limit.
Sly 3- Master Thief Challenges - Going Out On A Wing (PS3)