Role & capabilities
- Persistent underwater observation
- Modular mission carriage
- Underwater environmental sensing
- Primary domain
- Underwater
- System type
- Autonomous underwater vehicle
- Developer / manufacturer
- STM
- Origin / production countries
- Türkiye
- Other names
- TENGIZ
- Variants / configurations
- Not distinguished in reviewed sources
- Operators / programme customers
- Not identified in reviewed sources
Evidence & current status
Manufacturer claims are distinguished from procurement and acceptance evidence; undisclosed figures have not been estimated.
TENGİZ extends STM's underwater portfolio from the portable NETA 300 toward a much larger autonomous vehicle. The company presented it publicly at SAHA in May 2026 and describes a platform for persistent underwater observation, environmental assessment and carrying modular mission equipment. Its proposed ability to carry smaller systems makes it a different class of programme from a compact seabed-survey AUV.
The published dimensions, displacement, endurance and depth figures are design claims. The launch material reviewed here does not establish completion of sea trials, a production order, naval acceptance or an operational fleet. Consequently the record treats TENGİZ as an announced programme, even though the manufacturer publishes a substantial technical outline.
STM describes compatibility with a standard container footprint, which is relevant to transport planning but does not by itself establish how every ship would launch or recover the vehicle. The maximum speed, long-duration endurance and deep-water rating are separate performance points; no evidence reviewed shows all of them being achieved together. Later updates should record prototype testing, the exact energy configuration and customer milestones before changing its maturity classification.
Sourced specifications
Figures apply to the named configuration. Maximum values are not guaranteed operating performance.
| Specification | Reported value | Context & source |
|---|---|---|
| Configuration | Large autonomous underwater vehicle | Supplier-published configuration; payload and operating conditions affect performance. Source |
| Hull / propulsion | Not established in the reviewed public sources. | Public evidence gap. No estimate or neighbouring variant value has been substituted. Source |
| Dimensions | 11.2 m length; 1.6 m diameter | Supplier-published configuration; payload and operating conditions affect performance. Source |
| Displacement / mass | 17.8 tonnes | Supplier-published configuration; payload and operating conditions affect performance. Source |
| Payload | Modular mission equipment and provision for smaller systems | Supplier-published configuration; payload and operating conditions affect performance. Source |
| Endurance | More than 20 days advertised | Design claim; battery/load conditions and demonstrated endurance not established. Source |
| Range | Not established in the reviewed public sources. | Public evidence gap. No estimate or neighbouring variant value has been substituted. Source |
| Speed | More than 8 knots advertised | Supplier-published configuration; payload and operating conditions affect performance. Source |
| Operating depth | More than 400 m advertised | Supplier-published configuration; payload and operating conditions affect performance. Source |
| Sensors | Not established in the reviewed public sources. | Public evidence gap. No estimate or neighbouring variant value has been substituted. Source |
| Communications / control | Not established in the reviewed public sources. | Public evidence gap. No estimate or neighbouring variant value has been substituted. Source |
| Launch / deployment | Advertised compatibility with 40-foot ISO container dimensions | Transport footprint; specific launch-and-recovery installations not established. Source |
Documented milestones
Public debut
STM announced TENGİZ at SAHA Expo.
Read the announcement
Publication history
- — Published reference update.
Suggest a correction to this entry
Follow the evidence
Source types identify who makes the claim. Programme milestones and supplier statements should be read in context.