Lockheed EC-121 Warning Star

The Lockheed EC-121 Warning Star was a United States Navy and United States Air Force airborne early warning radar surveillance aircraft. A military version of the Lockheed Constellation it was designed 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. EC-121s were also used for intelligence gathering.

The Lockheed EC-121 Warning Star was a United States Navy and United States Air Force airborne early warning radar surveillance aircraft. A military version of the Lockheed Constellation,...1
The Lockheed EC-121 Warning Star was a United States Navy/United States Air Force airborne early warning radar surveillance aircraft.2
The Lockheed EC-121 Warning Star was a US Air Force/US Navy airborne early warning radar surveillance aircraft.3

Made by Lockheed Corporation.

It is the successor of the Lockheed Constellation .

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Lockheed EC-121 Warning Star , Lockheed L-049 Constellation , Short C-ClassS.5
Lockheed EC-121 Warning Star: An early version of A modern AWACS system, (Airborne Warning And Control System), this airframe is really just A Lockheed L-749 Constellation equipped with air and surface 6
More Users
United States Air Force
Height Main
754.38
Height Alt
7.54 m
Predecessor
Lockheed Constellation
Length Alt
35.40 m
Max Takeoff Weight Main
143000.0
Jet Or Prop
prop
Lists
* List of Lockheed aircraft* List of models of the Lockheed Constellation
Range Main
4
250 mi
Max Speed Alt
260
Type Of Prop
18
Introduced
1954
Max Speed Main
299 mph
Developed From
Lockheed Constellation
Cruise Speed Main
255 mph
Max Takeoff Weight Alt
65000.0
Ceiling Main
25000.0
Number Built
232
Crew
typically six flight crew
11-25 radar crew
Retired
1982
Span Main
3845.56
Cruise Speed Alt
222
Area Main
1650.0
Primary user
United States Navy
Span Alt
38.45 m
Plane Or Copter?
plane
Power Alt
2536.0
Engine(prop)
Wright R-3350 Duplex-Cyclone
Manufacturer
Lockheed Corporation
Number Of Props
4
First Flight
9
Production End Year
1958
Climb Rate Main
960.0
Power Main
3
400 hp
Production Start Year
1953
Climb Rate Alt
4.87 m-s
Length Main
3540.7599999999998
Area Alt
153.27 m²
Range Alt
3700
Similar Aircraft
* Boeing E-3 Sentry* Tupolev Tu-126
Related
* Lockheed Constellation* L-1649A Starliner
Empty Weight Main
69210.0
Ceiling Alt
7
620 m
Produced
1953
Empty Weight Alt
31387.0
Category
AWACS aircraft
Military aircraft of the Vietnam War

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