I concentrated a little too much on trying not to freeze the props and ended up with an awful lot of motion blurred planes

A few worked out OK (ironically all of the same plane):
<a href="http://www.flickr.com/photos/allandrick/425048047/" title="Photo Sharing"><img src="http://farm1.static.flickr.com/87/425048047_113002a5f7.jpg" width="500" height="318" alt="NZI 099" /></a>
<a href="http://www.flickr.com/photos/allandrick/425048011/" title="Photo Sharing"><img src="http://farm1.static.flickr.com/152/425048011_7e93713d9c.jpg" width="500" height="291" alt="NZI 099" /></a>
<a href="http://www.flickr.com/photos/allandrick/425048082/" title="Photo Sharing"><img src="http://farm1.static.flickr.com/164/425048082_1051578695.jpg" width="500" height="306" alt="NZI 099" /></a>
I got a half reasonable shot of the Mustang taxiing:
<a href="http://www.flickr.com/photos/allandrick/425048238/" title="Photo Sharing"><img src="http://farm1.static.flickr.com/177/425048238_a9b4f0bdf1.jpg" width="500" height="333" alt="Mustang taxiing" /></a>
Cheers
Leigh