Your question has intrigued me so I did some web surfing and I came across I think what you may be looking for. I've never bought anything from this company but its the only thing I've found so far.

http://www.rcmodels.org/csm/

Check under AIRWARS.

I might have to consider getting 2 of these. Though I'm questioning what they use for sensors and where they are placed on the plane.