The sound part is dead easy, just nick down to your local electrical goods store (Dick Smiths even!!!
) and get a cord which has a 6mm plug on one end and a 2.5mm plug on the other. Make sure they're both mono or you'll get sound out of only 1 speaker in the finished product. Just plug the 6mm bit into the headphones plug on the intercom and whack the 2.5er into the camcorder (yet to come across one that doesn't have an 'audio in' socket). You'll get crystal clear sound on the finished product.
If you want a little engine noise, plug in a headset mic and turn the squelch way down, bit annoying to fly with, but adds a bit to the video.
As to getting the instruments in shot, how 'bout flying from the right hand seat (if you're comfy with that sort of stuff) and mounting the video in the left hand seat. Dunno how the camera would cope with the bright light from outside the cockpit and the dark instrument panel. May struggle a bit.
If you wanna get a bit tricky you can wire up a plug to fit the mic input in the intercom and whack that into a cd player for some tunes on the vid! Or just edit it afterward if you're good with that sort of stuff.
Can you tell i've done this before?
Remember though, saftey first!!!
Especially when it's on film!!!
FSC