This would make sense if the Orcas hadn't been repeatedly recorded attacking sailing yachts, which make no noise at all since they're sailing :) Also, even whe

This would make sense if the Orcas hadn't been repeatedly recorded attacking sailing yachts, which make no noise at all since they're sailing :) Also, even when sailing yachts use their engine, it's not exactly a big and powerful noisy engine like a tanker or cruise liner. Yet, we have seen more videos of orcas attacking 10 person or smaller sailing yachts than bigger, noisier ships.