This guide (2017) provides an in-depth investigation of the use of drones in humanitarian crises is the first of its kind to determine if, how, and under what circumstances drones can add value to humanitarian operations in disaster areas. The authors propose that the most promising uses of drones include: mapping, delivering lightweight essential items to remote or hard-to-access locations, supporting damage assessments, increasing situational awareness, monitoring changes.The guide concludes that unmanned airborne systems have great potential in a humanitarian context and encourages the NGO community to work together to address the privacy, security and ethical issues related to the use of drones.