Thaddäus Tentakel said:
Here’s a screenshot from my old kabel eins HD record made by the end of 2012. This channel also belongs to ProSiebenSAT.1 so the film was zoomed to 2.20:1 there as well.

…there are better records from other countries on the net without cuts and logos and in the original AR.

The 2.20:1 aspect ratio is not zoomed/cropped but open matte. Titanic was shot 98 percent on Super35 film (underwater shots of the wreckage were techniscope), which gives an image slightly wider than 1.33:1. About 16:10 perhaps. The 2.20:1 aspect ratio was used on the film’s 5-perf 70mm theatrical release back in the day. In the 70mm the film had more image vertically while not losing anything from the sides.
I have also seen this HDTV broadcast (which is actually more of 2.25:1) and it is both taller and wider than both the 2D and 3D Blu-ray.