Watchkeeper WK450
British Army reconnaissance UAV with established operational use and a planned March 2027 retirement date.
- Country / region
- United Kingdom
- Programme status
- In service / use documented
- Sources reviewed
- 20 Sept 2026
- Primary domain
- Air
- System type
- Reconnaissance aircraft
- Developer / manufacturer
- Thales UK / U-TacS
- Origin / production countries
- United Kingdom
- Other names
- No additional names recorded
- Variants / configurations
- Watchkeeper Mk1 / WK450
- Operators / programme customers
- British Army — retirement planned for March 2027
Evidence & current status
Documented past service is established; planned withdrawal means this is not an unqualified continuing-service recommendation.
Role & capabilities
- Reconnaissance aircraft
Specifications in context
- Airframe
- Fixed-wing tactical reconnaissance aircraft
Manufacturer-published specification; maximum values are not necessarily simultaneous.
Source ↗ - Launch / recovery
- Not established from the reviewed public sources.
Public data gap; no estimate or neighbouring variant value substituted.
Source ↗ - Propulsion
- Not established from the reviewed public sources.
Public data gap; no estimate or neighbouring variant value substituted.
Source ↗ - Dimensions
- 6.5 m length; 10.9 m wingspan
Manufacturer-published specification; maximum values are not necessarily simultaneous.
Source ↗ - Mass
- 485 kg take-off weight
Manufacturer-published specification; maximum values are not necessarily simultaneous.
Source ↗ - Endurance
- Not established from the reviewed public sources.
Public data gap; no estimate or neighbouring variant value substituted.
Source ↗ - Range
- 150 km from ground station
Manufacturer-published specification; maximum values are not necessarily simultaneous.
Source ↗ - Speed
- 77 knots cruise
Manufacturer-published specification; maximum values are not necessarily simultaneous.
Source ↗ - Altitude
- Not established from the reviewed public sources.
Public data gap; no estimate or neighbouring variant value substituted.
Source ↗ - Payload
- Configurable intelligence and reconnaissance payload
Manufacturer-published specification; maximum values are not necessarily simultaneous.
Source ↗ - Sensors
- Not established from the reviewed public sources.
Public data gap; no estimate or neighbouring variant value substituted.
Source ↗ - Communications / navigation
- Not established from the reviewed public sources.
Public data gap; no estimate or neighbouring variant value substituted.
Source ↗