Next year's car models are already 'in production'. = Next year's car models have already 'gone into production'. [=next year's car models are already being made]
The airplane is 'out of production'. = The airplane has 'gone out of production'. [=the airplane is no longer being made]
Getting home turned out to be a real 'production' because of all the delays at the airport.
(..) The government is very touchy about us being in the air. Let us run on the ground much as we want. Anything in the air is a big production. Yeah, right. And what about the floating cities? -And the underwater bubble cities? -It's like we're living in the 's here. That's good suspension. (..)1998 TvShow: Seinfeld Title: The Dealership Season: 9 Episode 11