captain is joaquin san clemente, something of a legend in these parts, and his co-pilot captain constanza reyesey develop this sensibility with the plane. there's no intel in sight here, there's no software. they have gps, but that's about it. it's beautiful, you know, they have to sense everything. they know when the sound of the plane is not right. it's just man and machine. >> the weather is the big unknown around here. it's changeable enough to ground planes in remote places if they hang around for too long. we have to make one stop on the way to pick up more cargo. vital cargo, by the way. ♪ >> the land we're passing over is beautiful and lush, but the life for those below has been anything but. >> colombia seems to be trapped in a vicious circle. >> farc has used the territory as a haven for kidnapping. >> until recently, most of the news coming out of this part of colombia was not good. it was a front line in the war on drugs, for lack of a better term, and colombia's long struggle with the farc, a marxist guerrilla force financed by drug trafficking, kidnapping and covert assistance fro