Sydney Hoeltzli wrote:

"Is it important to purchase only a TSO'd headset? What does TSO really
mean? Do pilots find that TSO'd headsets are more reliable than
non-TSO'd headsets?" not by making a buttload of assertions including
a total fabrication about battery boxes bursting into flame.

The latter will get you a faster response for sure, but evidently
not of the kind you find enjoyable.

How can someone who asserts he's been on USENET for more than a decade
not know this? Beats me.

"The two most common things in the Universe are hydrogen and stupidity."
(Apologies; I forget whom I'm quoting. --Russell Kent)