Transformers (2007) - Michael Bay's derivative sci-fi adventure is based on a popular 1980s' cartoon series and toy robot range, and this
studio blockbuster features spectacular use of military helicopters.
A pair of USAF CV-22A Osprey tilt-wing aircraft land at an American base in Qatar, and two Black Hawks patrol over the area, shortly before the mysterious 'lost'
helicopter - tagged 4500X (a Sikorsky MH-53 Pave Low) - appears on the scene, and transforms into an enemy robot.
After the first battle, Black Hawk search and rescue teams find the whole base destroyed, and then a Huey provides medevac transport for a handful of survivors.
Later, in a chase that involves two Eurocopter EC-120 Colibri choppers, which help government agents capture one alien robot, there's a hide-and-seek game under a
road bridge, obviously copied from a similiar scene in the Mighty Joe Young remake.
After the Hoover Dam escapades, fighting on the streets brings a Sikorsky UH-60 Black Hawk into action, but the helicopter fails to collect the young hero from a
roof-top and then, while the Black Hawk hovers over the city, it gets shot down by the bad robots' leader. The damaged chopper flies off-screen, trailing smoke, but
we don't actually see it crash.
During the main battle, the MH-53 transforming robot also makes further appearances, chasing a USAF F-22A Raptor jet fighter, and then landing in the street where
its rotor blades fold-away like wings behind the robot's back.
Finally, a couple of SH-60 Seahawks drop a 'dead' robot off a US aircraft carrier into the depths of an ocean trench.