Threod Systems

Fixed Wing and VTOL UAVs, Gyro-Stabilized Drone Gimbals

Threod Systems
Fixed Wing and VTOL UAVs, Gyro-Stabilized Drone Gimbals
Kaare tee 3, Viimsi 74010, Estonia Estonia Regional offices
+372 5121154

Threod Systems is a developer and manufacturer of Fixed-Wing and VTOL Unmanned Aerial Systems (UAS) for data-gathering in tactical and commercial applications. We also develop a wide range of UAS subsystems in-house, such as autopilots, engines and payload modules, making us a complete UAS supplier with the flexibility to deliver the most suitable solution for your particular requirements. Our gyro-stabilized camera gimbals are designed for integration on drone platforms to provide high-quality aerial imagery.

All our products are ISO 9001, ISO 14001 and AQAP 2110 (NATO standard) certified, ensuring the highest quality and reliable operation in the most demanding of environments.

Fixed-Wing and VTOL UAV Platforms

EOS C Hybrid Fixed-Wing VTOL UAV

EOS-VTOL Hybrid Fixed-Wing Drone

The EOS C is a mini-class, electric fixed-wing drone with vertical take-off and landing capability, designed to deliver stable and clear imagery for tactical, government and commercial missions, especially those taking place under restricted and difficult terrain conditions.

The EOS C has a flight time endurance of three hours when operating in fixed wing mode; and two hours endurance when flying as a multirotor. The airframe can be instantly converted between fixed-wing and VTOL modes. The extremely low noise output and low visual footprint make it an ideal aerial platform for Special Operations Forces.

A fully gyro-stabilized two-axis EO/IR camera gimbal provides an HD video and imagery feed to a Ground Control Station with onboard recording, and an additional plug & play payload can be fitted for precision aerial mapping.

With an advanced autopilot providing automatic takeoff, landing and navigation between user-defined waypoints, the EOS C can even be launched from the deck of a rescue vessel or battleship. The highly flexible system is ideal for a wide range of military, government and commercial applications including battlefield reconnaissance, search & rescue, border patrol, mapping and surveying.


Dimensions 4760 mm wingspan x 1830 mm length
Weight 11-13kg
Endurance 2 h VTOL, 3 h fixed wing
Engine Electrical BLDC motor
Air speed 50-100 km/h, wind penetration 16m/s
Payload specs EO camera w/ 30x optical zoom, 1080p Full HD sensor, IR camera 640×512
Data link and range 50 km LOS. Single digital data link integrated to HGCS Encryption: AES-256

EOS VTOL Fixed Wing Hybrid UAS

Threod EOS VTOL Fixed Wing UAV

Stream C Tactical Fixed-Wing UAS

Stream C fixed wing UAV

The Stream C tactical UAS is a Class 1 Fixed Wing drone with a 30kg maximum takeoff weight (MTOW). Designed for endurance flights (up to 6 hours), the Stream C UAS is ideal for aerial mapping, inspections, search & rescue, and ISR surveillance applications.

Launched via catapult and recovered using the integrated parachute recovery system, the Stream C UAS has an operational ceiling of 3000m and is available with multi-sensor payloads.

The STREAM C VTOL UAS variant is currently under development.


Dimensions 3.9m wingspan, 2.3m length
Lift capacity 6kg
Endurance over 6 hours
Operational ceiling up to 3000m AGL
80-130 km/h

Stream C Fixed Wing Tactical UAS

Stream C Fixed Wing Drone Platform

Stream C fixed wing drone

Titan Multirotor VTOL UAS

KX4-LE VTOL Drone PlatformThe Titan is a long endurance, heavy-lift multirotor drone designed for ISR, search and rescue (SAR) and law enforcement missions. The multiple plug & play payload options provide enhanced situational awareness for rescue services and first responders.

Featuring VTOL UAS functionality, the KX-4 LE UAS can be deployed quickly without the need for a runway or launch equipment; and the integral emergency parachute offers additional safety, especially when being operated in populated areas. The detachable boom arms and landing gear ensure the system can be easily packed away and transported.

The KX-4 LE UAS can be operated in fully autonomous or first-person view (FPV) flight modes using a handheld or fixed Ground Control Station (GCS).


Dimensions 78×78 cm (138×138 cm with propellers)
Payload Capacity 6.1kg
Endurance 70 min without payload; 45 minutes with 2.5kg payload
Operational Ceiling Optimal: 100-200m AGL / Maximum: 500m AGL
8 – 14 m/s

KX4-LE Heavy-Lift Multirotor UAS

KX4-LE VTOL UAV Platform

Case study: read about the Titan’s deployment in Mali

Gyro-Stabilized Drone Camera Gimbals

Shark Gimbal – Stabilized Dual-Camera UAV Gimbal

Dual Stalibilsed Drone Gimbal

Dual EO-IR UAV Gimbal

The Shark roll-tilt gyro-stabilized dual-camera UAV gimbal, suitable for both fixed-wing and multirotor aircraft, provides both electro-optic and infrared capabilities, streaming clear and stabilized live geo-referenced video back to base.  Advanced features include target tracking, geo-locking and moving object detection.

The dual-side design, with sensors on both sides of the stabilizing mechanism, allows the overall height of the gimbal to be extremely low, and the modular sensor mounts allow for quick, easy upgrades and payload changes. The gimbal can also be equipped with an optional IR illuminator and laser rangefinder for further functionality.

The Shark Stabilized Dual-Camera UAV Gimbal is available in a number of different configurations.

Dual EO/IR Camera Gimbal  Basic PAL / HSG2  Basic HD / HSG2 Shark 1 / HSG2  Shark 2 / HSG2 Shark 3 / HSG4
EO sensor 10x 30x 30x 30x 30x
EO resolution PAL 720p HD 720p HD 720p HD 720p HD
IR sensor (35 mm lens) FLIR TAU2 640 FLIR TAU2 640 FLIR TAU2 640 FLIR TAU2 640 FLIR TAU2 640
IR resolution 640 x 512 640 x 512 640 x 512 640 x 512 640 x 512
IR sensor DRI human 1280/320/160m 1280/320/160m 1280/320/160m 1280/320/160m 1280/320/160m
IR sensor DRI vehicle 3850/950/295m 3850/950/295m 3850/950/295m 3850/950/295m 3850/950/295m
IR zoom Y Y Y Y Y
Laser Range Finder Laser class 1
IR illumination Class IIIB, 1-4W

Orca 220 – Cooled MWIR Camera Gimbal for Drones/UAVs

Cooled MWIR Drone GimbalThe ORCA 220 Gimbal is a next-generation payload for fixed-wing UAS and multirotor drones that incorporates a cooled MWIR camera, EO camera sensor with 30x optical zoom, laser rangefinder and IR pointer/illuminator.

Featuring gyro and image stabilization, the ORCA 220 UAV camera gimbal features moving object detection and HD video output with onboard recording, as well as target tracking, geo-locking and 360 degree continuous pan and tilt, making it an ideal option for law enforcement and commercial use.

  • Weight: 4kg
  • Dimensions: 300mm x 220mm
  • EO sensor: 30x zoom / 2x digital, 720p HD video, Full HD 1080p sensor available
  • Cooled MWIR sensor: 720p H.264 format, NFOV – 2° x 1.6°, WFOV – 29.8° x 24.1°

ORCA MWIR drone camera gimbal

Orca 170 – Stabilized EO/Dual-IR UAV Camera Gimbal

Triple UAV Camera GimbalThe Orca 170 Stabilized Triple-Camera Gimbal is a next-generation payload for fixed-wing and multirotor UAVs that incorporates an EO camera and two IR sensors with 25mm and 60 mm lenses. Its modular design allows for custom sensors and optional capabilities such as a laser rangefinder, IR illuminator, laser target designator, or aerial mapping payload.

The Triple-Camera Gimbal features gyro-stabilized HD imagery and onboard recording as well as advanced features such as target tracking, geo-locking and moving object detection.

The Orca 170 Triple-Camera Gimbal is available in a number of different configurations.

Triple EO/IR/IR Camera Gimbal Basic HD / DG3 Dome 1 / DG3 Dome 2 / DG3 Dome 3 / DG5
EO sensor 30x 30x 30x 30x
EO resolution PAL 720p HD 720p HD 720p HD
IR sensors FLIR TAU2 640 FLIR TAU2 640 FLIR TAU2 640 FLIR TAU2 640
IR resolution 640 x 512 640 x 512 640 x 512 640 x 512
IR sensor 1 (25 mm lens) DRI human 820/210/104m 820/210/104m 820/210/104m 820/210/104m
IR sensor 1 (25 mm lens) DRI vehicle 2200/580/290m 2200/580/290m 2200/580/290m 2200/580/290m
IR sensor 2 (60 mm lens) DRI human 1750/450/225m 1750/450/225m 1750/450/225m 1750/450/225m
IR sensor 2 (60 mm lens) DRI vehicle 4500/1240/640m 4500/1240/640m 4500/1240/640m 4500/1240/640m
Laser Range Finder Laser class 1
IR illumination Class IIIB, 1-4W

Drone Training and Simulation Services

Threod Systems maintains a state-of-the-art UAS Training and Simulation Centre, providing full UAV operator training according to NATO Standard ATP- (Guidance for the Training of Unmanned Aircraft Systems (UAS) Operators). Simulation is an efficient and cost-effective way to develop and maintain operator skills and test UAS operational procedures, and Threod Systems also provides a portable simulation kit with each of our UAVs.

UAS Training and Simulation Centre

Simulation provides a wide range of advantages and benefits to UAV designers and operators, including:

– Reduction of UAS lifecycle cost
– Development of operating procedures
– Planning and preparation of specific UAS missions
– Rehearsal of complex or high-risk operations in a safe, controlled environment
– Testing of unmanned aircraft platforms under different environmental conditions
– Efficient training and certification of UAS operators

Our simulator capabilities include:

– Hardware-in-the-Loop Simulation integrated into Threod Systems Autopilot
– 1:1 flight simulation
– EO/IR payload simulation
– X-Plane or JSBSim integration
– Real-world or pre-defined meteorological conditions
– 3D modelled target area and scenarios (Unity or VBS3 integration)

Learn more: UAS Training and Simulation Centre

UAV Applications

Drones for Military ISRMilitary Fixed Wing VTOL UAV Applications
With long endurance and the ability to operate under adverse tactical conditions, Threod Systems’ VTOL UAS platforms are ideal for battlefield surveillance, reconnaissance, fire support and damage assessment.

Multirotor & Fixed Wing UAV Government Applications
Threod Systems’ fixed-wing and multirotor UAS platforms provide reliable, persistent support for a wide variety of federal and civil agency applications, including security, border patrol, search & rescue, and firefighting.

Endurance Drone for surveying and mappingCommercial VTOL UAS Applications
Advanced payloads and data-gathering capabilities make Threod Systems’ unmanned aircraft excellent time- and cost-saving assets for commercial applications such as property and utility surveying, forestry, and precision agriculture.

Please contact us to learn more about our UAS solutions >

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Regional Offices & Locations
Threod Systems Estonia Kaare tee 3, Viimsi 74010, Estonia +372 5121154
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