The Yaesu / Vertex Standard VXA-700 covers air and amateur bands. I found it listed a couple places online, here's one example:

http://www.wingsandwheels.com/page6.htm

I want to emphasize, however, that I checked the FCC web site, and my earlier post is correct that although you don't need a license to operate an avaition band handheld from your private plane operating in the US, you DO need a license to operate it from the ground.

I think that for survival situations, a better way to improve your chances for being noticed, and located, would be the personal locator beacons with GPS.