nˈɔɪz ɪz vˈɛɹi sˈɪmɪlɚ tʊ ɐ pˈʌls dʒˈɛt ˈɛndʒɪn, wˌɪtʃ kʊd kˈɔːz dɪskˈʌmfɚt fɔːɹ pˈæsɪndʒɚz ænd pˈiːpəl ɔnðə ɡɹˈaʊnd.
Noise is very similar to a pulse jet engine, which could cause discomfort for passengers and people on the ground.