LMI-5 Auk/Puffin
Auk DHM.1 multipurpose helicopter drone, Puffin DHEW.1 airborne early warning helicopter drone [fig. 2]
Fig. 1 depicts an early unchassised prototype model depicted, fig. 2 a prototype with traditional penny-farthing rotors.
The DHM.1 "Auk" is a multipurpose helicopter drone capable of performing anti-submarine and anti-surface ship operations, fire observation for naval artillery, over-the-horizon missile guidance, low-level real-time reconnaissance, and serving as a secure communications relay. With its search radar and advanced electro-optical sensor turret (low-light television, infra-red, and laser ranging), the "Auk" can also serve as a picket both against low flying aircraft and sea-skimming missiles and submarines.
The "Auk" can take-off and land autonomously and can be directed by friendly ships or helicopters onto submarine targets through secure datalinks simply by providing the drone with real-time sensor information: the "Auk's" laser inertial navigation and global positioning systems (INS and GPS) do the rest. The DHM.1 is able to use its radar warning receivers and short-range missile launch detectors to avoid enemy anti-air action.
LMI-5
Functions: anti-submarine warfare (ASW), naval gunfire direction (NGD), missile guidance, limited anti-ship capability.
Sensors: (Auk): surface/low-level search radar, electro-optical (IIR, LLTV, LIDAR); (Puffin): medium range air/surface search radar
Dimensions: length (body): 5.64m; width (body): 3.2m; rotors: 6.1m; height (total): 2.96m; static ground clearance: 1.52m
Mass: empty: 625kg; normal gross: 1661kg; weapons payload (maximum): 650kg+
Propulsion: Demers Turbines TMR-41 driving a contra-rotating advancing blade concept (ABC) rotor system and a small ducted fan providing forward thrust
Range: 225 km with 4 hrs. loitering time, or greater than 6 hrs. endurance.
Speed: 230+ km/h
Payload: 2 centreline stations, each capable of holding 325 kg mass; load-bearing wings can be attached.
Price: $6.5 million (DHM.1), $12 million (DHEW.1); $5 million for ground or tactical control stations (not necessary for RSIN produced ships with either the Type 31L or Type 33L landing systems).
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