Why might drones be favored over helicopters for certain rescue operations?

Drones are increasingly favored over helicopters for certain rescue operations primarily due to their lower operational costs and the reduced personnel needs associated with their deployment. Drones are generally more cost-effective to operate than helicopters since they consume less fuel, require less maintenance, and do not necessitate a large crew for flight operations. This makes them a more viable option for many emergency scenarios where budgets and resources might be limited.

Additionally, drones can often be operated by a single individual, allowing for quicker deployment and reducing the logistical burdens placed on rescue teams. Their ability to swiftly and efficiently survey areas, gather data, and provide real-time video feeds enhances their effectiveness in search and rescue missions. This advantage in operational efficiency is particularly valuable during time-sensitive emergencies where every moment counts.

In contrast, the other options highlight characteristics that do not align with the advantages of drone use in rescue operations. For example, increased noise levels can hamper operations in populated areas, while the ability to transport heavy loads is generally a strength of helicopters rather than drones, which tend to have weight limitations. Complicated navigation systems may also pose challenges, while drones are typically easier to navigate and control, especially for trained operators.