MD-160, the sole completed Lun-class ekranoplan
|In service:||1987–late 1990s|
|Class and type:||Lun|
|Type:||Attack/Transport ground effect vehicle|
|Displacement:||Displacement n/a, weight 286 tonnes unloaded|
|Length:||73.8 metres (242 ft)|
|Beam:||(Wingspan) 44 metres (144 ft)|
|Height:||19.2 metres (63 ft)|
|Draught:||(2.5 metres or 8 feet 2 inches)|
|Propulsion:||8× Kuznetsov NK-87 turbojet engines, 127.4 kN (28,600 lbf) thrust|
|Speed:||297 kn (550 km/h; 342 mph)|
|Range:||1,000 nmi (1,900 km; 1,200 mi)|
|Capacity:||100 tonnes (220,000 pounds)|
|Complement:||six officers and nine enlisted men|
|Sensors and |
|Puluchas search radar|
The Lun-class ekranoplan is a ground effect vehicle (GEV) designed by Rostislav Evgenievich Alexeyev in 1975 and used by the Soviet and Russian navies from 1987 until sometime in the late 1990s.
It flew using the lift generated by the ground effect of its large wings when within about four metres (13 ft) above the surface of the water. Although they might look similar to regular aircraft, and have related technical characteristics, ekranoplans like the Lun are not aircraft, seaplanes, hovercraft, nor hydrofoils. Rather, "ground effect" is a distinct technology. The International Maritime Organization classifies these vehicles as maritime ships.
Design and development
The Lun was powered with eight Kuznetsov NK-87 turbofans, mounted on forward canards, each producing 127.4 kN (28,600 lbf) of thrust. It had a flying boat hull with a large deflecting plate at the bottom to provide a "step" for takeoff. It had a maximum cruising speed of 550 kilometres per hour (340 mph).
Equipped for anti-surface warfare, it carried the P-270 Moskit (Mosquito) guided missile. Six missile launchers were mounted in pairs on the dorsal surface of its fuselage with advanced tracking systems mounted in its nose and tail.
The only model of this class ever built, the MD-160, entered service with the Black Sea Fleet in 1987. It was retired in the late 1990s and is now sitting unused at a naval station in Kaspiysk.
Another version of Lun was planned for use as a mobile field hospital for rapid deployment to any ocean or coastal location. It was named the Spasatel ("Rescuer"). Work was about 90% done, when the military funding ended, and it was never completed.
Data from 
- Crew: 15 (6 officers, 9 enlisted)
- Capacity: 137 t (302,000 lb)
- Length: 73.8 m (242 ft 2 in)
- Wingspan: 44 m (144 ft 4 in)
- Height: 19.2 m (63 ft 0 in)
- Wing area: 550 m2 (5,900 sq ft)
- Empty weight: 286,000 kg (630,522 lb)
- Max takeoff weight: 380,000 kg (837,757 lb)
- Powerplant: 8 × Kuznetsov NK-87 turbofans, 127.4 kN (28,600 lbf) thrust each
- Maximum speed: 550 km/h (340 mph, 300 kn)
- Cruise speed: 450 km/h (280 mph, 240 kn) at 2.5 m (8 ft)
- Range: 2,000 km (1,200 mi, 1,100 nmi)
- Service ceiling: 5 m (16 ft) in ground effect
- Guns: two 23mm Pl-23 cannon in a twin tail turret and two 23mm Pl-23 cannon in a twin turret under forward missile tubes
- Missiles: six launchers for P-270 Moskit Sunburn antiship missiles
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