We were on Navigator last winter, and we did not find there was a lot of vibration. In the main auditorium, when the ship was in fairly heavy seas, the presenter (a chef) had problems with being bounced around on the stage. There was some vibration there. Our cabin (on deck 6), creaked a bit as well, but that's pretty normal I have found.
Wendy ------ Booked: Uniworld Egypt, 2015 Tauck Amsterdam to Budapest, 2016 Paul Gauguin, Societies & Tuamotus 2016
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