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INTELLIGENCE
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.

RQ-35 Heidrun

Danish portable reconnaissance aircraft with current and earlier supplier specifications retained as distinct baselines.

Country / region
Denmark
Programme status
Supplier-reported status
Sources reviewed
21 Sept 2026
Supplier-reported statusSupplier-reported status
Primary domain
Air
System type
Reconnaissance aircraft
Developer / manufacturer
Sky-Watch
Origin / production countries
Denmark
Other names
No additional names recorded
Variants / configurations
Not distinguished in reviewed sources
Operators / programme customers
Ukraine — supplier documented

Evidence & current status

Current and older manufacturer figures differ. The current table is labelled explicitly and not retroactively applied to older Ukrainian deliveries.

Role & capabilities

  • Reconnaissance

Specifications in context

Airframe
Not established in the reviewed public sources.

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

Source
Launch / recovery
Hand launch / deep-stall recovery

Current supplier configuration.

Source
Propulsion
Not established in the reviewed public sources.

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

Source
Dimensions
Approximately 1.6 m wingspan

Current table.

Source
Mass
3.35 kg maximum take-off weight

Current platform table; older sheet gives a different baseline.

Source
Endurance
Up to 180 minutes

Current supplier claim; older brochure differs.

Source
Range
Up to 50 km transmission reach

Datalink figure, not route length.

Source
Speed
Not established in the reviewed public sources.

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

Source
Altitude
Not established in the reviewed public sources.

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

Source
Payload
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 / navigation
Not established in the reviewed public sources.

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

Source