Lockheed EC-121 Warning Star

ICAO aircraft code EC121
Country United States

The Lockheed EC-121 Warning Star was an American airborne early warning and control radar surveillance aircraft operational in the 1950s in both the United States Navy (USN) and United States Air Force (USAF).
The military version of the Lockheed L-1049 Super Constellation was used to serve as an airborne early warning system to supplement the Distant Early Warning Line, using two large radomes (a vertical dome above and a horizontal one below the fuselage).

Specifications

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Lockheed EC-121 Warning Star Specifications

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General

ICAO aircraft code
EC121
Manufacturer
Lockheed Martin Aeronautics
Manufactured
1953 - 1958
Country
United States

Aircraft performance

Engine:
4x Wright R-3350-34 Turbo Compound radial engines
other: Other
Power:
3,400 HP
Max Cruise Speed:
260 Kts
482 Km/h
Travel range:
3,700 Nm
6,852 Kilometers
Service Ceiling:
25,000 feet
Rate of Climb:
960 feet / minute
4.88meter / second

Weight & dimensions

Max Take Off Weight:
65,000 Kg
143,299 lbs
Max Payload:
33,600 Kg
74,075 lbs

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 Lockheed EC-121 Warning Star

The Lockheed EC-121 Warning Star was an American airborne early warning and control radar surveillance aircraft operational in the 1950s in both the United States Navy (USN) and United States Air Force (USAF).

The military version of the Lockheed L-1049 Super Constellation was used to serve as an airborne early warning system to supplement the Distant Early Warning Line, using two large radomes (a vertical dome above and a horizontal one below the fuselage). It replaced the TBM-3W used by the USN. Some EC-121s were also used for signal intelligence gathering. The EC-121 was introduced in 1954 and phased out in 1978, although a single specially modified EW aircraft remained in USN service until 1982.

The USN versions when initially procured were designated WV-1 (PO-1W), WV-2, and WV-3. The USAF Warning Stars served during the Vietnam War both as electronic sensor monitors and as a forerunner to the Boeing E-3 Sentry AWACS. USAF aircrews adopted its civil nickname, “Connie” (diminutive of Constellation) as reference, USN aircrews used the nickname “Willie Victor”.

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