Role & capabilities
- Reconnaissance aircraft
- Primary domain
- Air
- System type
- Reconnaissance aircraft
- Developer / manufacturer
- Threod Systems
- Origin / production countries
- Estonia
- Other names
- No additional names recorded
- Variants / configurations
- EOS C VTOL; payload and terminal configurations vary
- Operators / programme customers
- Royal Netherlands Army, 42 Pantserinfanteriebataljon — official May 2025 account; Ukraine — supplier documented; Other NATO users — unnamed in the current product source
Evidence & current status
Named Dutch military use is independently documented. Operator-specific dimensions and mass are separated from current supplier performance; the complete named operator list remains undisclosed.
EOS C VTOL is Threod Systems' electric reconnaissance aircraft combining fixed-wing cruise with vertical take-off and landing. Its integrated mission system includes the company's eOpic-5 imaging payload, a ground control station and configurable data terminals. The supplier presents it for military, border-security and police applications.
Threod states that the aircraft is used by multiple armed forces, including seven NATO members and Ukraine. That is a useful supplier disclosure, but the product page does not give a complete named operator list or fleet-by-fleet configuration. A Dutch Defence account dated 20 May 2025 independently identifies use by 42 Pantserinfanteriebataljon Limburgse Jagers. This establishes a named operator without implying that the worldwide inventory is complete.
The public technical table distinguishes a 50 km line-of-sight communication range from a maximum distance of 190 km. These figures describe different things and are retained separately. Similarly, advertised endurance and ceiling depend on the operating configuration. The website makes broad statements about observability and resilience; this catalogue records navigation and communications at a general level without converting marketing language into a guarantee of undetectability or immunity to interference.
The Dutch account supplies a fourteen-kilogram aircraft weight and overall dimensions. Its local height and duration descriptions differ from the current manufacturer maxima, and the article contains inconsistent battery/duration wording. Those figures are not silently reconciled into one configuration. Threod’s company timeline separately records initial EOS C deliveries in 2020 and more than one hundred delivered by 2023; those remain historical supplier totals.
Sourced specifications
Figures apply to the named configuration. Maximum values are not guaranteed operating performance.
| Specification | Reported value | Context & source |
|---|---|---|
| Airframe | Fixed-wing VTOL reconnaissance aircraft | Manufacturer-published specification; maximum values are not necessarily simultaneous. Source ↗ |
| Launch / recovery | Vertical take-off and landing | Manufacturer-published specification; maximum values are not necessarily simultaneous. Source ↗ |
| Propulsion | Battery-electric | Manufacturer-published specification; maximum values are not necessarily simultaneous. Source ↗ |
| Dimensions | Dutch account: 5 m × 1.80 m overall cross-section | Article wording retained; no independent drawing confirms span/length axes. Source ↗ |
| Mass | 14 kg in the Dutch 2025 operator account | Operator-described aircraft; not explicitly labelled maximum take-off mass. Source ↗ |
| Endurance | Up to three hours | Manufacturer-published specification; maximum values are not necessarily simultaneous. Source ↗ |
| Range | 50 km RLOS communications; 190 km maximum distance stated separately | Manufacturer-published specification; maximum values are not necessarily simultaneous. Source ↗ |
| Speed | 61 km/h cruise; 90 km/h maximum | Manufacturer-published specification; maximum values are not necessarily simultaneous. Source ↗ |
| Altitude | 4,500 m AMSL service ceiling | Manufacturer-published specification; maximum values are not necessarily simultaneous. Source ↗ |
| Payload | Not established from the reviewed public sources. | Public data gap; no estimate or neighbouring variant value substituted. Source ↗ |
| Sensors | eOpic-5 daylight/NIR camera and thermal imager | Manufacturer-published specification; maximum values are not necessarily simultaneous. Source ↗ |
| Communications / navigation | Encrypted digital link; supplier advertises GNSS-independent navigation | Manufacturer-published specification; maximum values are not necessarily simultaneous. Source ↗ |
Publication history
- — Added an independent named operator and previously missing mass/dimensions, preserving configuration uncertainty.
- — Added a sourced global catalogue profile with configuration-specific data and explicit evidence limits.
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Follow the evidence
Source types identify who makes the claim. Programme milestones and supplier statements should be read in context.
- Current EOS C VTOL specifications (opens in a new tab)Manufacturer / programme
- Threod EOS C VTOL product sheet (opens in a new tab)Manufacturer / programme
- Dutch Defence EOS C operator account, 20 May 2025 (opens in a new tab)Government / operator
- Threod company delivery timeline (opens in a new tab)Manufacturer