It's all good Neodude...I'm just having a bit of fun...!Where about in Edinburgh am I? What...like my address??? ha I live outside edinburgh. Yourself? And about the Dash 8...yeah that's what I said in my post...I was trying to find out if RVSM wasn't applicable because the Dash 8 can't fly high enough anyway...but you have just answered it (if your right)