Thanks for your reply SNS3Guppy! It's interesting to know what's happening up front while everyone else is blissfully unaware enjoying their roasted nuts.
I did wonder if Spotter's Balcony was the wrong place to ask questions of the professionals, but didn't feel qualified to post in 'Questions' - "(If you are a professional pilot or your work involves professional aviation please use this forum for questions.)" I'm a mere PPL student, so don't really satisfy either criteria!
Thanks again.
Rich