I don't think English would be the barrier. My parents would have known SOS decades ago, and I don't come from an English-speaking country. I am from Europe, t

I don't think English would be the barrier. My parents would have known SOS decades ago, and I don't come from an English-speaking country. I am from Europe, though, so I don't know if it might be more specific to Western culture. Although I also imagine pilots would have more of an exposure through either experience or education.