The Falling Helicopter is one of the Collectibles found in Alan Wake. It is one of the pages of the Departure manuscript.
Manuscript text[]
Sarah was almost starting to relax. Maybe they could turn this into a win yet.
Suddenly, there was a piercing sound, like a table saw gone wild, as a hundred birds made out of shadows swarmed into the rotor.
The chopper bucked wildly and the board lit up, telling her what she already knew: they were going down. Barry Wheeler screamed next to her.
Location[]
The page can be found on the ground near the exit of the water pipe leading to the dam.