Set 4439-1 : Heavy-Duty Helicopter [City] [BrickLink]
LEGO City Police Heavy-Lift Helicopter 4439 : Toys & Games
BrickLink - Part 3004pb113R : LEGO Brick 1 x 2 with 'RESCUE' on Yellow Arrow Pattern Model Right Side (Sticker) - Set 4439 [Brick, Decorated] - BrickLink Reference Catalog