Originally Posted by
spotwelder
There is another aspect to the use of Channel 9 which I am not sure that UA's lawyers have twigged yet. The communications between pilots and ATC in an emergency could lead to additional mental trauma claims and additional payouts awarded by the fine residents of Dade County, Miami.
Ch 9 can be turned on and off at will by the Captain. My guess is that, in an emergency situation, Ch9 would be turned off, if it was on before the emergency arose.