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Alekseyev KM Caspian Sea Monster

Alekseyev Central Hydrofoil Design Bureau · Wing-in-Ground Effect · USSR · Early Jet (1946–1969)

Alekseyev KM Caspian Sea Monster — Wing-in-Ground Effect
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The KM, known colloquially as the Caspian Sea Monster, was an experimental ground effect vehicle developed in the Soviet Union in the 1960s by the Central Hydrofoil Design Bureau. The KM began operation in 1966, and was continuously tested by the Soviet Navy until 1980 when it crashed into the Caspian Sea.

Specifications

Category
Fixed Wing
Sub-Category
Wing-in-Ground Effect
Domain
Dual-Use
Era
Early Jet (1946–1969)
Country
USSR
Manufacturer
Alekseyev Central Hydrofoil Design Bureau
Operator
USSR military
Primary Role
Wing-in-Ground Effect
Status
Retired
Service Entry
1966
Produced
1
Propulsion
Turbojet
Engine
10x Dobrynin VD-7 turbojet (8 bow + 2 tail)
Thrust / Power
130,000 lbf total
Launch
Water
Length (ft)
348
Wingspan (ft)
131
Empty Weight (lb)
529110
MTOW (lb)
1,190,000
Endurance (hr)
3
Service Ceiling (ft)
16
Range (mi)
900
Max Speed (mph)
310