Unidentifed helicopter is a vehicle that appears in the game files of Counter-Strike: Condition Zero: Deleted Scenes.
It appears in the game files as "
Choppercg.mdl". It is very low detailed, including oversized blades and small structure. It's unknown what was it's sole purpose though it can be a placeholder in the beta stages as it appears in a early Thin Ice Screenshot instead of the Harrier. Though low detailed, Judging from the textures, it appears to be a Bell UH-1 Iroquois.