Search & Rescue (SAR)

Collection: Search & Rescue (SAR)


Drones have quickly become an irreplaceable tool for search and rescue teams everywhere. Whether it’s helping locate lost hikers, find missing animals and kids, or even helping adults with memory loss find their way home, drones can assist.

The value of the drones for search and rescue teams really shows in three main areas: responding quickly at a low cost, allowing the use of sensors such as thermal imaging and zoom cameras, and providing automated search coverage of a precise grid.

Local police and volunteer SAR teams have long relied on helicopters and airplanes to aid in locating missing persons, but these options are both expensive and slow. In contrast, drones like the Matrice 300 RTK are ready to fly in minutes, at a fraction of the cost of manned aircraft.  The Zenmuse H20T sensor supports thermal and visual in a single, small camera plus a laser range finder and 200x zoom capabilities.


Some drones, like the Matrice 300 RTK, can carry both thermal and visual sensors, meaning that you can locate people under almost any conditions. Flying with two distinct sensors together allows viewing both heat signatures and visible information, like body heat in a forest or a hunter’s orange cap on a snowy mountain.

When you need an exhaustive search pattern to guide your team’s ground crews, even lost-cost drones such as the Mavic 3 Enterprise series can automatically fly a precise grid over several square miles while capturing still or video images. You can then view the footage live or downloaded and be assured that you’re searching in a systematic, logical way. This is just one of the many options for a low-cost search and rescue drone, so contact us today to learn more.


Our eyes see just a small section of all the electromagnetic waves around us. We call this portion “visible light,” and each range of the spectrum is assigned a name you’re familiar with: red, orange, yellow, green, blue, etc. But what’s above and below this visible chunk of the spectrum? You’re no doubt familiar with many of the invisible portions, even though you’ve never seen them: microwaves, radio waves, X-Rays, ultraviolet, and other too numerous to name.

how thermal imaging works


How can these concepts from your high school physics class help us see a person’s body heat in a dense forest? It turns out that just above visible light–with wavelengths longer than red light–is the infrared spectrum that contains the waves responsible for propagating heat. You’ve probably seen an iron rod heated until it glows orange, the light fading away as it cools. But even though the visible orange color is gone, the rod is still several hundred degrees (don’t touch!) and is radiating heat in the infrared spectrum. The visible colored light is gone, but the thermal light is still present and detectable by a thermal imaging drone.

Hot Iron

A drone’s thermal sensor can see this hot iron and show it in a different color, just like when it was still glowing-orange hot. Less dramatically, search and rescue drones pinpoint your body’s heat, close to 100º F, and shade it in a different color that easily contrasts with the cold forest floor.


Night vision cameras rely on magnifying available light and displaying it back to you. Since night vision relies on reflected light, there has to be some available light, such as the moon or a street lamp, or you can’t see a subject at all.

Instead, a thermal imaging drone can see in total darkness because it’s relying on heat generated by the subject itself, whether it’s a warm-blooded animal (sadly, snakes are tough to spot on thermal cameras) or a leaking window that’s wasting your your energy bill. The thermal camera won’t show objects through the glass, but you can detect which parts of the window are hotter and colder, pinpointing any broken seals or poorly fitting frames that are leaking air.

Finally, unlike the magical imaging tools they use on the police dramas you see on your favorite streaming video service, a drone won’t allow you to watch thermal activity inside a house–you’ll need a more powerful, heavy standalone unit and possibly direct contact to see through walls.


The very nature of SAR operations is entirely unpredictable. You can be responding to a flood disaster one week and a searching for a wandering toddler the next. The key to any purchase is maximizing your flexibility so that you can respond well to any contingency.


The DJI Matrice 300 RTK is by far the most flexible, configurable choice that lets you conquer a variety of mission profiles and field scenarios. You can even rent it as a pre-configured bundle with sensors.

Designed to be highly configurable, the Matrice 300 RTK can have dual downward-facing camera ports so that you can fly with both the Zenmuse H20N and the MP130 Speaker. This setup is the best of both worlds and meets the needs of even the most demanding SAR teams. In the dual-battery configuration, the Matrice 300 RTK can accomplish of up to 55 minutes on a charge, depending on sensor payload(s). Moreover, you’ll have live HD-quality video streaming back to your tablet or phone for the entire flight.  There is an HDMI output on the controller too for those that have a command center display.  If you need a drop system to release a life jacket, radio or cell phone, this is possible with the DroMight Talon Drop system.

If your need is not the swiss army knife of drones but you still want the thermal and zoom capabilities, the DJI Matrice 30T will provide you with 46 minutes of flight time while providing up to 200x zoom, a thermal sensor an the laser range finder all in a compact and quickly deployable drone.  This is one of the few drones that is also waterproof for flying in the rain and using the remote in the rain is easy too.

For a more consumer-oriented thermal imaging drone with a lower price, consider the Mavic 3 Thermal or the EVO II Dual 640T Enterprise Bundle V3.

The Mavic 3 Thermal is a compact drone with both RGB and High Resolution Thermal imagery.  The Mavic 3 Thermal also provides you with 45 minutes of flight time and grid flight capabilities.


If you want another versatile drone, the EVO 2 Dual 640T Enterprise has the Thermal and RGB imagery but comes in a bright orange and has a speaker and lights as changeable modules.

The last and latest option is the EVO MAX 4T.  This is just slightly larger than the EVO II Series.  The EVO Max 4T brings powerful technologies and advanced autonomy to users. EVO Max 4T assesses complex environments to create real-time 3D flight paths for unparalleled obstacle avoidance. Advanced sensors make flight in GPS unavailable areas possible and the incredible new thermal payload unlocks new object identification and tracking scenarios. With a foldable, weather-resistant design, the EVO Max 4T is as portable as it is capable.

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