larger than a cessna or small aircraft, that it could be a twin-engine plane of some sorts. and just given the time of year and the travel schedule for everybody, we are hoping that there are fewer people that were on the air craft, but that's not likely. so we don't know anything conclusive at this point, but we have a number of resources that are deployed and trying to not only reach that area, but to find out how we can be helpful, if we can, at this point. >> cher i have, you mentioned it's a very rugged area. you have teams there trying to respond, working to get to that area. how tough is it to navigate, you know, for the teams trying to get in and help and find out what happened? >> it's extremely difficult not only because it's night fall here in arizona, but these trails, there's no light out there. so we have our search and rescue deputies are some of the best in america, and we have deployed all of our resources out there.