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CL-227 Sentinel
CL-327 Guardian

Canadairís involvement with the US Navy started in 1988. Several demonstrations of the CL-227 were conducted to show the feasibility of launching and recovering a VTOL air vehicle from the deck of a small combatant ship. In a planned build up, land-based flight tests were conducted at the contractorís site in Montreal Canada on a tether due to air space restrictions. Flights at Ft. Huachuca, AZ demonstrated the capability of a 20 km data link range. Flights were completed at Medicine Hat, Canada from a wooden deck to simulate the transition across the flight deck of a ship. A flight was accomplished aboard the Jan Tide (an oil rig replenishment ship) to a distance of 6 km from the ship. Although this was a manual flight and recovery, it continued the build up. The next at sea demo was conducted aboard the USS DOYLE (FFG-39) during a STANAVFORLANT cruise. Extensive flight testing both at the Canadair facility in Montreal and also at Patuxent River, MD preceded the cruise to demonstrate the safety of the system. Contractor personnel operated the system from a shelter inside the starboard hangar of the FFG. The final at sea demo was conducted aboard the USS VANDERGRIFT (FFG-48) and included automatic approaches to the deck using a UCARS system supplied by the Sierra Nevada Corp.

The CL-327 is an improved version of the CL-227 Sentinel VTOL UAV. The CL-327 is one of the most advanced vertical takeoff and landing (VTOL) surveillance system designed for intelligence gathering today. The system's turboshaft-powered unmanned aerial vehicle (UAV) operates either from land or ship and can carry a wide variety of sensors for different mission requirements. The CL-327 is designed to satisfy numerous emerging market requirements for a dependable and versatile vertical take-off and landing (VTOL) UAV.

The Guardian offers 6.25 hours of endurance, a 105kg payload capacity, and a 200 km range. The system includes a Williams International heavy fuel engine, a digital data-link, compatibility with the CARS automatic recovery system, and the US sponsored Tactical Control Station.

The CL-327 entered production in October 1996, following the conclusion of a successful US Navy-sponsored heavy fuel propulsion program. The Guardian will be offered to worldwide customers seeking an affordable unmanned surveillance capability that can operate from all-sized navy ships and in rugged land environments which lack airstrips and infrastructure.

The CL-327 profits from unique maritime operational experiences garnered over ten years of VTOL UAV development which included numerous operational deployments aboard US Navy and NATO ships. Bombardier's at-sea experience has provided expertise in integrating VTOL UAVs aboard naval vessels, understanding the unique challenges of operating UAVs at sea, and improving and refining concepts of operations for UAVs at sea. The result is a marinized and shipboard compatible UAV system which has the endurance and payload to satisfy a myriad of maritime roles and missions.

Bombardier is also offering the Guardian VTOL system in a land configuration as a rapid and mobile surveillance asset. The system stores two air vehicles per HMMWV and trailer, a downsized UAV control station, and enough fuel and payloads for a 72 hour operation. Similar to the maritime configuration, the land version requires only two personnel to operate. No pilot skills are required and the crew can be trained in just four weeks.

CL-327 Specifications

Country of Origin Canada
Builder
Missions
  • Surveillance
  • Reconnaissance
  • Communications relay
  • Environmental inspection
  • Border patrol
  • Drug enforcement operations
  • Target acquisition / designation
  • Battle damage assessment
  • EW platform
  • Engine 1 Williams International WTS-125 turboshaft 125 shp flat rated at 100 shp
    Height 6 ft 0 in 1.84 m
    Rotor diameter 13 ft 1 in 4.00 m
    Gross takeoff mass 770 lbs. 350 kg
    Empty weight (no payload, no fuel) 330 lbs. 150 kg
    Payload carrying capacity 220 lbs. 100 kg
    Maximum endurance 6.25 hours
    Time on station at 100 km 4.75 hours
    Maximum speed 157 km/h / 85 kts
    Climb rate 7.6 m/sec / 1,500 ft/min
    Ceiling 5,500 m / 18,000 ft
    Sensor
  • Combined EO/IR
  • Communications relay
  • Active ESM payload
  • Synthetic Aperture Radar (SAR)
  • Datalink
  • Primary (C-Band), Directional, Omni-directional
  • Back-up (L-Band), Omni-directional, used for launch & recovery
  • Guidance and navigation
  • GPS and inertial
  • Automatic flight patterns
  • Autonomous flight
  • Reversionary modes
  • Waypoint navigation
  • Automatic target tracking
  • Image Exploitation
  • Geo-location
  • Target location error <60 m (GPS accuracy dependent)
  • Freeze, pan, rotate images
  • Automatic target tracking
  • Crew
    Cost
    User Countries

     

    Air Views

    Cl327air.JPG (33583 bytes)    Cl327air1.JPG (34226 bytes)    Cl327airmount.JPG (35683 bytes)

    Ground View

    Cl327groundmount.JPG (59089 bytes)     Cl327ground.JPG (65629 bytes)    

    Bottom Shots

    Cl327bottom1.JPG (81428 bytes)     Cl327bottom.JPG (86366 bytes)

    Preparation for Launch

    Preparations.JPG (54619 bytes)     Preparations1.JPG (58327 bytes)

    Preparations2.JPG (54112 bytes)     Preparations3.JPG (62585 bytes)     Preparations4.JPG (62162 bytes)

    Inside Views

    Cl327withoutchell.JPG (76306 bytes)     Cl327withoutchell1.JPG (79231 bytes)     Cl327withoutchell2.JPG (69065 bytes)

    Communication

    Gdtcl327.jpg (63833 bytes)     Gdtcl3271.jpg (62290 bytes)     gdt.JPG (54316 bytes)

    NewGCSSW.JPG (64690 bytes)   Hummer.JPG (68503 bytes)    gcs.JPG (60338 bytes)    Ucars.JPG (90296 bytes)

    Sources and Resources



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