CL-427

Development and Origins

The CL-427 is a multipurpose Unmanned Aerial Vehicle (UAV) developed by the Canadian firm Bombardier Services Corporation. This UAV represents a further evolution of the CL-227 Sentinel version. It is built upon the Puma UAV platform and is powered by a Williams WTS125 gas turbine engine.

Capabilities and Status

The CL-427 is designed to accommodate satellite-guided search and rescue systems. Furthermore, it allows for the installation of electronic, optical, and infrared sensors, enabling a wide range of operational capabilities. In 2001, the system was undergoing its testing phase.

Technical Specifications

Modification	CL-427
Height, m	2.12
Propeller diameter, m	4.00
Empty weight	135
Maximum takeoff weight	340
Fuel capacity	165
Engine type	1 Turboprop Williams International WTS-125
Power, hp	1 x 125
Maximum speed, km/h	222
Maximum flight duration, h	8.0
Duration during 100 km zone patrol, h	5.0
Operational radius, km	200
Rate of climb, m/min	427
Service ceiling, m	5485
Payload, kg	68 kg of various equipment