ForeFlight allows pilots to get weather and more before flying.

<a href="http://foreflight.com/iPhone/" title="ForeFlight Flight Data for iPhone" target="_blank"><img src="http://www.modmyi.com/images/apps/foreflight.png" border="0" height="401" width="322" /></a>

<a href="http://foreflight.com/iPhone/" title="ForeFlight Flight Data for iPhone" target="_blank">http://foreflight.com/iPhone/</a>