Caspian Sea Monster

Country Soviet Union

Dubbed the “Kaspian Monster” by the CIA, the Caspian Sea Monster was the largest airplane ever built from its 1966 launch until it sank in 1980.

Specifications

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Caspian Sea Monster Specifications

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General

Manufactured
1966
Country
Soviet Union
Crew
5
Engines
10 x Dobrynin VD-7 turbojet, 28,670 Ibf (127.53 kN) thrust each

Aircraft performance

Weight & dimensions

Height
21.8 m
71.6 ft
Wingspan
37.60 m
123.4 ft
Length
92 m
301.10 ft
Maximum Take-Off Weight
544,000 kg
1,199,315 lb

Disclaimer: The information on this page may not be accurate or current. Never use it for flight planning or any other aircraft operation purposes. No warranty of fitness for any purpose is made or implied. Flight planning or any other aircraft operations should only be done using official technical information provided by the manufacture or official aviation authorities.

About the Caspian Sea Monster

Early US spy photos of the Korabi Maket KM (Russian for Prototype Ship) sent American authorities scrambling to discover the nature of the mysterious Soviet aircraft close to the Caspian Sea. Dubbed the “Kaspian Monster ” by the CIA, the KM was the largest airplane ever built from its 1966 launch until it sank in 1980.

Little is known about the Caspian Sea Monster during its existence. But records released after the fall of the Soviet Union revealed an experimental ground effect vehicle (ekranoplan) developed for military logistics and rescue operations. The Caspian Sea Monster flies just five to ten meters (16-33 feet) over a level surface (Caspian Sea) using the reduced aerodynamic drag generated by its wings. Military interest in the Caspian Sea Monster diminished during the 1970s, and the aircraft sank a week after it was damaged after a crash.

Fun Fact: alarmed by spy photos of the then-unknown Korabi Maket KM, the CIA launched a major espionage mission called PROJECT AQUILINE and built a specialty drone to determine the aircraft’s purpose.

The Caspian Sea Monster was one of the largest aircraft ever made.

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