JSC NII STT Merlin VR

Merlin-VR (Мерлин-ВР) is an unmanned aerial vehicle (UAV) model developed in Türkiye for military reconnaissance and aerial surveillance purposes. The primary role of Merlin-VR is to serve as a reconnaissance platform equipped with optical and electro-optical/ infrared (EO/IR) sensor systems capable of conducting prolonged observation and target detection over a specific area. Publicly released promotional materials emphasize the UAV’s high-altitude operational capability and extended endurance, presenting it as a “harder-to-detect” reconnaissance asset.

Merlin-VR was first introduced to the public in September 2021, at which point it was positioned as a UAV specifically designed for military reconnaissance and aerial surveillance missions. During this phase, Merlin-VR was highlighted for its claimed capabilities of long-endurance flight, high-altitude operations, and compatibility with various reconnaissance payloads. This initial public exposure marked the beginning of its promotion as a “new reconnaissance platform,” even before its exact inventory status or production scale had been clarified.

For the developer, a research institute based in Smolensk is cited. Information released during the promotional phase suggests that the development approach for Merlin-VR focused heavily on reconnaissance sensor integration, with the payload capacity deliberately shaped to accommodate these systems. It was also stated that the system was demonstrated to military representatives and that testing or evaluation was under consideration—indicating that at least a flight-capable prototype had been produced by this stage.

^{A Merlin VR Engine (}Defense Express⁾

One of the most prominent features emphasized in the promotional narrative is the hybrid propulsion system attributed to Merlin-VR. This claim is linked to two objectives: reducing acoustic signature and thus lowering detectability, and enhancing performance metrics such as operational altitude and endurance. However, subsequent analyses based on physical examples recovered from the battlefield suggest that this “hybrid” framework may be misleading; some recovered units were found to use conventional internal combustion engine configurations, with fuel systems exhibiting pragmatic or adaptive modifications. This raises the possibility that certain technical claims made during the promotional phase do not fully align with the actual hardware deployed in the field.

Merlin-VR’s visibility after its initial introduction has increased significantly through reports of operational use and instances of being shot down or captured. Records from the summer of 2022 indicate aircraft being downed; in 2023 and 2024, accounts emerged of its use in reconnaissance, target identification, and fire correction roles. In these reports, Merlin-VR is portrayed as a “surveillance and objective control” asset capable of maintaining prolonged observation over target areas, transmitting reconnaissance data, and confirming the effects of strike operations.

In summary, the development and introduction process of Merlin-VR follows a trajectory that began in 2021 with the announcement of a “new reconnaissance UAV” in a testing and evaluation phase, and progressed in subsequent years through field usage examples and debates surrounding the validity of certain technical claims.

The publicly disclosed technical framework for Merlin-VR centers on altitude, endurance, payload capacity, and sensor carriage capability.

^{General Table of Technical Specifications.}

• Maximum operational altitude (service ceiling): Reported to reach up to approximately 5 km.
• Endurance: Capable of sustained missions for approximately 10 hours.
• Mission profile: Designed as a platform focused on long-duration “aerial surveillance/reconnaissance” tasks.
• Day-night and weather conditions: Claimed to perform missions day and night under all weather conditions.

This area is among the most ambiguous due to conflicting values circulating across sources:

• Some sources state the UAV can operate up to 120 km from its launch point.
• Other sources cite a “600 km range or coverage” figure.
• These numbers may refer to different concepts—control radius, total flight path, or area covered—making it impossible to determine a single definitive range value.

• Maximum useful payload: Reported to carry up to 6.5 kg.
• Compatible equipment: This capacity is emphasized as suitable for mounting various types of electro-optical/infrared (EO/IR) reconnaissance stations.
• Spectral bands:
• • Visible band (EO)
• Infrared band (IR/thermal)
• • This configuration is presented as the core feature enabling daytime imaging and nighttime or low-visibility observation based on heat signatures.

• Operating modes: Capable of functioning in automatic and semi-automatic modes.
• Functional role: Used for surveillance, target detection, providing “target correction” input to strike assets, and post-strike assessment/monitoring (objective control).

• Hybrid propulsion claim: During promotional phases, the term “hybrid engine” was used to suggest reduced acoustic signature and thus diminished detectability.
• Alternative assessment: Conversely, analysis of recovered units suggests the presence of conventional internal combustion engines and pragmatic adaptations in the fuel system, rather than true hybrid propulsion.
• As a result, the “hybrid” designation remains one of the most contentious elements of Merlin-VR’s technical profile.

• Operational accounts emphasize that trained personnel can complete launch and recovery procedures in very short timeframes—just a few minutes. This supports the claim that the system can be rapidly deployed in the field.

Merlin-VR is primarily positioned as a platform focused on reconnaissance and persistent surveillance. Its mission profile is built around remaining over a designated area for extended periods to conduct visual and thermal observation, track identified elements, and relay real-time operational intelligence to higher command. The purpose of Merlin-VR is not merely to “capture imagery,” but to transform collected visual and sensor data into situational awareness outputs that can be integrated into battlefield decision-making processes.

^{Internal Components of Merlin VR (}Defense Express⁾

The key operational feature is the combination of long endurance and high-altitude surveillance. Extended flight enables continuous monitoring of the same target area, while high altitude allows a single sortie to cover a broad region and keeps the platform in a safer altitude band. This configuration aligns Merlin-VR more closely with a persistent surveillance approach than with transient reconnaissance: tasks such as tracking moving elements, detecting concentrations of activity, and periodically monitoring critical points are consistent with this logic.

The mission profile prominently emphasizes day-night continuity. The availability of payloads capable of operating in both visible and infrared/thermal bands extends observation beyond daylight, targeting the ability to detect heat signatures during nighttime, in poor visibility, or against attempts at camouflage. In this respect, the platform appears designed as a surveillance asset operating over a significantly wider time window than traditional daytime reconnaissance.

In operational narratives, Merlin-VR is depicted as an asset that interfaces with multiple stages of the reconnaissance cycle:

• Detection: Identifying and classifying elements within a specific area (gathering, movement, positioning, etc.).
• Tracking: Monitoring the same elements over time and recording their positional changes.
• Reporting/Transmission: Transmitting collected data to command levels to generate inputs for decision-making.
• Objective Control: After a strike, confirming the results through aerial observation.

This role distribution transforms Merlin-VR’s “reconnaissance” function from direct firepower into an intelligence and surveillance layer that enhances the effectiveness of strike assets. In other words, the platform functions not as a weapon but as an observation and correction layer that supports weapons systems. In scenarios requiring target coordination or adjustment, a sequential operational logic emerges: first locating the target through wide-area surveillance, then maintaining observation over the same target to track its movement, and finally verifying the outcome of any engagement.

^{A Downed Merlin VR (}Defense Express⁾

Finally, the concept of rapid deployment is also embedded in Merlin-VR’s mission profile. Accounts of short launch and recovery times indicate that the system is intended to be quickly launched when a tactical window opens, remaining over the area for extended observation. This supports a usage approach particularly suited to dynamic front-line conditions, combining rapid response with persistent surveillance for “targets of opportunity” or rapidly evolving situations.