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.
(..) Kevlar biweave, reinforced joints. - Tear-resistant? - This sucker will stop a knife. - Bulletproof? - Anything but a straight shot. - Why didn't they put it into production? - Bean counters didn't think... ...a soldier's life was worth grand. So, what's your interest in it, Mr. Wayne? (..)2005 Batman Begins
(..) of the Wayne family. This is where you belong. Welcome home. Environmental procedures, defense projects, consumer products. All prototypes. None in production. - On any level whatsoever. - None? What did they tell you this place was? BRUCE: They didn't tell me anything. (..)2005 Batman Begins