UL—S6
Unilark S6.
Infrastructure inspection UAV.
P&I platform
Inspection UAV for infrastructure, energy and perimeter patrol missions, flown from the Unihangar S1.

- Maximum take-off weight
- 21kg
- Maximum flight distance
- 20km
- Wind resistance
- Level-5
- Protection grade
- IP54
- Wheelbase
- 1.2m
- Maximum endurance
- 30min
- Size
- 1.8m×1.8m×0.51m
- Maximum load
- 8kg
- Position precision
- ±15cm
- Maximum speed
- 18m/s
- Load: 30x optical lens
- customizable
Specifications verified against EFY's first-party page on 2026-08-17. View source or request a current datasheet.
Key features
- General purpose:
- Arm detachable, foot frame and load replaceable
- Precision:
- Centimeter-level high precision positioning
- Redundancy:
- Redundant satellite navigation system
- Redundant directional module
- Redundant UAV landing guidance sensor
Inside
Every part, apart.
Turn the drone, pull it apart with the slider, and pick a part to see what it does.
Drag to turn · click a part
In operation
Where it flies.

Patrol cycle · inspection route

Unilark S6 · patrol & inspectionVisualization from EFY photography
Sources 4 · retrieved 2026-08-16, 2026-08-17
Where these facts come from.
Figures and quotations on this page were taken from EFY's own website on the dates shown.
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