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INDEPENDENT PERSPECTIVE
THE EVOLVING FIELD GUIDE
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DEFENCE DRONES / THE LIBRARY

Compare the evidence.

Choose up to three systems. Specifications retain their source and configuration; missing information is left undisclosed.

STM YAKTU

STM's announced compact one-way surface-vehicle programme, first presented in May 2026.

Country / region
Türkiye
Programme status
Concept / announced
Sources reviewed
21 Sept 2026
Concept / announcedConcept / announced
Primary domain
Sea surface
System type
Uncrewed surface vessel
Developer / manufacturer
STM
Origin / production countries
Türkiye
Other names
No additional names recorded
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.

Role & capabilities

  • Remote maritime operation
  • High-speed surface mobility

Specifications in context

Configuration
Compact one-way uncrewed surface vessel

Supplier-published configuration; payload and operating conditions affect performance.

Source ↗
Hull / propulsion
Diesel engine and single waterjet

Supplier-published configuration; payload and operating conditions affect performance.

Source ↗
Dimensions
5.8 m length; 1.6 m beam; 0.4 m draft

Supplier-published configuration; payload and operating conditions affect performance.

Source ↗
Displacement / mass
1.7 tonnes

Supplier-published configuration; payload and operating conditions affect performance.

Source ↗
Payload
Not established in the reviewed public sources.

Public evidence gap. No estimate or neighbouring variant value has been substituted.

Source ↗
Endurance
Not established in the reviewed public sources.

Public evidence gap. No estimate or neighbouring variant value has been substituted.

Source ↗
Range
200 nautical miles at 20 knots

Supplier-published configuration; payload and operating conditions affect performance.

Source ↗
Speed
More than 50 knots maximum; more than 20 knots service speed

Supplier-published configuration; payload and operating conditions affect performance.

Source ↗
Sea state / environment
Not established in the reviewed public sources.

Public evidence gap. No estimate or neighbouring variant value has been substituted.

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
Not established in the reviewed public sources.

Public evidence gap. No estimate or neighbouring variant value has been substituted.

Source ↗