7782 The Batwing: The Joker's Aerial Assault
From LEGO Batman Wiki
7782 The Batplane: The Joker's Aerial Assault is a Lego Batman set which was released in 2006. It includes the Joker's helicopter.
The minifigures in this set and 7778 The Tumbler: The Joker's Ice-Cream Surprise are identical except for Batman's variation.