^^^ hey TMZ if your reading this, he is NOT saying he is in a helicopter. He is saying "LA HELICOPTERS". I have flown the mini route many times, and it's common to hear this callout from helicopters who are using the SAME frequency of 119.8. The LAX tower helo freq and the mini-route freq is the same. Some pilots say "LA tower", some say "LA helicopters" your calling the same guy.
About the wrong frequency thing, nothing new, we hear airline pilots do this, it's just a matter of forgetting to hit the toggle button on the radio.
He had a very bad day, but the recording reveals nothing we haven't heard before.