Search and rescue team is an essential unit when disaster occurs. Not just natural calamities such as earthquake, hurricane or flooding, airplane crash or train accident also need search and rescue team to be employed and operate quickly at the crash site. However, many times crash sites are happened to be in the deep wood or on top of the snowy mountain, for example, that is difficult to reach by ground transportation. Furthermore, with an advanced in nuclear technology, the manmade calamities such as nuclear explosion or leakage also threaten human lives.