Originally Posted by
BoyAreMyArmsTired
I often use my Blackberry in flight to catch up on email (but I just save everything as drafts and transmit them once I'm at the airport). The radio is off the whole time, but I have seen people give me weird looks (probably those who don't understand that you can use it without it being in transmit mode).
In the case I described, the guy was actually talking on his phone.