Simplify the following text for a Grade 11 native English-speaking person.
Original: Passengers on the Explorer reported a loud `` bang '' at the time of impact , although others reported that there had been no noticeable impact , or at least nothing more than the normal crunching of ice experienced when sailing through icy waters .
Simplified: Although some reports indicate there had been no noticeable impact , or at least nothing more than the normal crunching of ice experienced when sailing through icy waters , other reports say that there was a loud bang .